diff --git a/src/grammar/next/__snapshots__/grammar.spec.ts.snap b/src/grammar/next/__snapshots__/grammar.spec.ts.snap
index 3db8059b8..63f4dc301 100644
--- a/src/grammar/next/__snapshots__/grammar.spec.ts.snap
+++ b/src/grammar/next/__snapshots__/grammar.spec.ts.snap
@@ -2364,6 +2364,498 @@ exports[`grammar should parse expr-arith-bool-var 1`] = `
 }
 `;
 
+exports[`grammar should parse expr-binary-chained-operators-1 1`] = `
+{
+  "id": 25,
+  "imports": [],
+  "items": [
+    {
+      "attributes": [],
+      "declarations": [
+        {
+          "as": {
+            "id": 11,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 12,
+          "initializer": {
+            "id": 10,
+            "kind": "op_binary",
+            "left": {
+              "id": 7,
+              "kind": "op_binary",
+              "left": {
+                "base": 10,
+                "id": 4,
+                "kind": "number",
+                "loc": 123,
+                "value": 123n,
+              },
+              "loc": 123 + -456,
+              "op": "+",
+              "right": {
+                "id": 6,
+                "kind": "op_unary",
+                "loc": -456,
+                "op": "-",
+                "operand": {
+                  "base": 10,
+                  "id": 5,
+                  "kind": "number",
+                  "loc": 456,
+                  "value": 456n,
+                },
+              },
+            },
+            "loc": 123 + -456 + +789,
+            "op": "+",
+            "right": {
+              "id": 9,
+              "kind": "op_unary",
+              "loc": +789,
+              "op": "+",
+              "operand": {
+                "base": 10,
+                "id": 8,
+                "kind": "number",
+                "loc": 789,
+                "value": 789n,
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": a: Int as coins = 123 + -456 + +789,
+          "name": {
+            "id": 2,
+            "kind": "id",
+            "loc": a,
+            "text": "a",
+          },
+          "type": {
+            "id": 3,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+        {
+          "as": {
+            "id": 22,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 23,
+          "initializer": {
+            "id": 21,
+            "kind": "op_binary",
+            "left": {
+              "id": 18,
+              "kind": "op_binary",
+              "left": {
+                "base": 10,
+                "id": 15,
+                "kind": "number",
+                "loc": 123,
+                "value": 123n,
+              },
+              "loc": 123 + -456,
+              "op": "+",
+              "right": {
+                "id": 17,
+                "kind": "op_unary",
+                "loc": -456,
+                "op": "-",
+                "operand": {
+                  "base": 10,
+                  "id": 16,
+                  "kind": "number",
+                  "loc": 456,
+                  "value": 456n,
+                },
+              },
+            },
+            "loc": 123 + -456 +- 789,
+            "op": "+",
+            "right": {
+              "id": 20,
+              "kind": "op_unary",
+              "loc": - 789,
+              "op": "-",
+              "operand": {
+                "base": 10,
+                "id": 19,
+                "kind": "number",
+                "loc": 789,
+                "value": 789n,
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": b: Int as coins = 123 + -456 +- 789,
+          "name": {
+            "id": 13,
+            "kind": "id",
+            "loc": b,
+            "text": "b",
+          },
+          "type": {
+            "id": 14,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+      ],
+      "id": 24,
+      "kind": "contract",
+      "loc": contract Foo {
+    a: Int as coins = 123 + -456 + +789;
+    b: Int as coins = 123 + -456 +- 789;
+},
+      "name": {
+        "id": 1,
+        "kind": "id",
+        "loc": Foo,
+        "text": "Foo",
+      },
+      "traits": [],
+    },
+  ],
+  "kind": "module",
+}
+`;
+
+exports[`grammar should parse expr-binary-chained-operators-2 1`] = `
+{
+  "id": 31,
+  "imports": [],
+  "items": [
+    {
+      "attributes": [],
+      "declarations": [
+        {
+          "as": {
+            "id": 14,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 15,
+          "initializer": {
+            "id": 13,
+            "kind": "op_binary",
+            "left": {
+              "id": 7,
+              "kind": "op_binary",
+              "left": {
+                "base": 10,
+                "id": 4,
+                "kind": "number",
+                "loc": 123,
+                "value": 123n,
+              },
+              "loc": 123 + -456,
+              "op": "+",
+              "right": {
+                "id": 6,
+                "kind": "op_unary",
+                "loc": -456,
+                "op": "-",
+                "operand": {
+                  "base": 10,
+                  "id": 5,
+                  "kind": "number",
+                  "loc": 456,
+                  "value": 456n,
+                },
+              },
+            },
+            "loc": 123 + -456 + +(987 * -654),
+            "op": "+",
+            "right": {
+              "id": 12,
+              "kind": "op_unary",
+              "loc": +(987 * -654),
+              "op": "+",
+              "operand": {
+                "id": 11,
+                "kind": "op_binary",
+                "left": {
+                  "base": 10,
+                  "id": 8,
+                  "kind": "number",
+                  "loc": 987,
+                  "value": 987n,
+                },
+                "loc": 987 * -654,
+                "op": "*",
+                "right": {
+                  "id": 10,
+                  "kind": "op_unary",
+                  "loc": -654,
+                  "op": "-",
+                  "operand": {
+                    "base": 10,
+                    "id": 9,
+                    "kind": "number",
+                    "loc": 654,
+                    "value": 654n,
+                  },
+                },
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": a: Int as coins = 123 + -456 + +(987 * -654),
+          "name": {
+            "id": 2,
+            "kind": "id",
+            "loc": a,
+            "text": "a",
+          },
+          "type": {
+            "id": 3,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+        {
+          "as": {
+            "id": 28,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 29,
+          "initializer": {
+            "id": 27,
+            "kind": "op_binary",
+            "left": {
+              "id": 21,
+              "kind": "op_binary",
+              "left": {
+                "base": 10,
+                "id": 18,
+                "kind": "number",
+                "loc": 123,
+                "value": 123n,
+              },
+              "loc": 123 + -456,
+              "op": "+",
+              "right": {
+                "id": 20,
+                "kind": "op_unary",
+                "loc": -456,
+                "op": "-",
+                "operand": {
+                  "base": 10,
+                  "id": 19,
+                  "kind": "number",
+                  "loc": 456,
+                  "value": 456n,
+                },
+              },
+            },
+            "loc": 123 + -456 - -(987 / +654),
+            "op": "-",
+            "right": {
+              "id": 26,
+              "kind": "op_unary",
+              "loc": -(987 / +654),
+              "op": "-",
+              "operand": {
+                "id": 25,
+                "kind": "op_binary",
+                "left": {
+                  "base": 10,
+                  "id": 22,
+                  "kind": "number",
+                  "loc": 987,
+                  "value": 987n,
+                },
+                "loc": 987 / +654,
+                "op": "/",
+                "right": {
+                  "id": 24,
+                  "kind": "op_unary",
+                  "loc": +654,
+                  "op": "+",
+                  "operand": {
+                    "base": 10,
+                    "id": 23,
+                    "kind": "number",
+                    "loc": 654,
+                    "value": 654n,
+                  },
+                },
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": b: Int as coins = 123 + -456 - -(987 / +654),
+          "name": {
+            "id": 16,
+            "kind": "id",
+            "loc": b,
+            "text": "b",
+          },
+          "type": {
+            "id": 17,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+      ],
+      "id": 30,
+      "kind": "contract",
+      "loc": contract Foo {
+    a: Int as coins = 123 + -456 + +(987 * -654);
+    b: Int as coins = 123 + -456 - -(987 / +654);
+},
+      "name": {
+        "id": 1,
+        "kind": "id",
+        "loc": Foo,
+        "text": "Foo",
+      },
+      "traits": [],
+    },
+  ],
+  "kind": "module",
+}
+`;
+
+exports[`grammar should parse expr-binary-operators 1`] = `
+{
+  "id": 19,
+  "imports": [],
+  "items": [
+    {
+      "attributes": [],
+      "declarations": [
+        {
+          "as": {
+            "id": 8,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 9,
+          "initializer": {
+            "id": 7,
+            "kind": "op_binary",
+            "left": {
+              "base": 10,
+              "id": 4,
+              "kind": "number",
+              "loc": 123,
+              "value": 123n,
+            },
+            "loc": 123 - -456,
+            "op": "-",
+            "right": {
+              "id": 6,
+              "kind": "op_unary",
+              "loc": -456,
+              "op": "-",
+              "operand": {
+                "base": 10,
+                "id": 5,
+                "kind": "number",
+                "loc": 456,
+                "value": 456n,
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": a: Int as coins = 123 - -456,
+          "name": {
+            "id": 2,
+            "kind": "id",
+            "loc": a,
+            "text": "a",
+          },
+          "type": {
+            "id": 3,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+        {
+          "as": {
+            "id": 16,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 17,
+          "initializer": {
+            "id": 15,
+            "kind": "op_binary",
+            "left": {
+              "base": 10,
+              "id": 12,
+              "kind": "number",
+              "loc": 123,
+              "value": 123n,
+            },
+            "loc": 123 + -456,
+            "op": "+",
+            "right": {
+              "id": 14,
+              "kind": "op_unary",
+              "loc": -456,
+              "op": "-",
+              "operand": {
+                "base": 10,
+                "id": 13,
+                "kind": "number",
+                "loc": 456,
+                "value": 456n,
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": b: Int as coins = 123 + -456,
+          "name": {
+            "id": 10,
+            "kind": "id",
+            "loc": b,
+            "text": "b",
+          },
+          "type": {
+            "id": 11,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+      ],
+      "id": 18,
+      "kind": "contract",
+      "loc": contract Foo {
+    a: Int as coins = 123 - -456;
+    b: Int as coins = 123 + -456;
+},
+      "name": {
+        "id": 1,
+        "kind": "id",
+        "loc": Foo,
+        "text": "Foo",
+      },
+      "traits": [],
+    },
+  ],
+  "kind": "module",
+}
+`;
+
 exports[`grammar should parse expr-chaining-unbox 1`] = `
 {
   "id": 18,
diff --git a/src/grammar/prev/__snapshots__/grammar.spec.ts.snap b/src/grammar/prev/__snapshots__/grammar.spec.ts.snap
index f94e2c7c0..9a42fbd4a 100644
--- a/src/grammar/prev/__snapshots__/grammar.spec.ts.snap
+++ b/src/grammar/prev/__snapshots__/grammar.spec.ts.snap
@@ -2416,6 +2416,498 @@ exports[`grammar should parse expr-arith-bool-var 1`] = `
 }
 `;
 
+exports[`grammar should parse expr-binary-chained-operators-1 1`] = `
+{
+  "id": 25,
+  "imports": [],
+  "items": [
+    {
+      "attributes": [],
+      "declarations": [
+        {
+          "as": {
+            "id": 11,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 12,
+          "initializer": {
+            "id": 10,
+            "kind": "op_binary",
+            "left": {
+              "id": 7,
+              "kind": "op_binary",
+              "left": {
+                "base": 10,
+                "id": 4,
+                "kind": "number",
+                "loc": 123,
+                "value": 123n,
+              },
+              "loc": 123 + -456,
+              "op": "+",
+              "right": {
+                "id": 6,
+                "kind": "op_unary",
+                "loc": -456,
+                "op": "-",
+                "operand": {
+                  "base": 10,
+                  "id": 5,
+                  "kind": "number",
+                  "loc": 456,
+                  "value": 456n,
+                },
+              },
+            },
+            "loc": 123 + -456 + +789,
+            "op": "+",
+            "right": {
+              "id": 9,
+              "kind": "op_unary",
+              "loc": +789,
+              "op": "+",
+              "operand": {
+                "base": 10,
+                "id": 8,
+                "kind": "number",
+                "loc": 789,
+                "value": 789n,
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": a: Int as coins = 123 + -456 + +789,
+          "name": {
+            "id": 2,
+            "kind": "id",
+            "loc": a,
+            "text": "a",
+          },
+          "type": {
+            "id": 3,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+        {
+          "as": {
+            "id": 22,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 23,
+          "initializer": {
+            "id": 21,
+            "kind": "op_binary",
+            "left": {
+              "id": 18,
+              "kind": "op_binary",
+              "left": {
+                "base": 10,
+                "id": 15,
+                "kind": "number",
+                "loc": 123,
+                "value": 123n,
+              },
+              "loc": 123 + -456,
+              "op": "+",
+              "right": {
+                "id": 17,
+                "kind": "op_unary",
+                "loc": -456,
+                "op": "-",
+                "operand": {
+                  "base": 10,
+                  "id": 16,
+                  "kind": "number",
+                  "loc": 456,
+                  "value": 456n,
+                },
+              },
+            },
+            "loc": 123 + -456 +- 789,
+            "op": "+",
+            "right": {
+              "id": 20,
+              "kind": "op_unary",
+              "loc": - 789,
+              "op": "-",
+              "operand": {
+                "base": 10,
+                "id": 19,
+                "kind": "number",
+                "loc": 789,
+                "value": 789n,
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": b: Int as coins = 123 + -456 +- 789,
+          "name": {
+            "id": 13,
+            "kind": "id",
+            "loc": b,
+            "text": "b",
+          },
+          "type": {
+            "id": 14,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+      ],
+      "id": 24,
+      "kind": "contract",
+      "loc": contract Foo {
+    a: Int as coins = 123 + -456 + +789;
+    b: Int as coins = 123 + -456 +- 789;
+},
+      "name": {
+        "id": 1,
+        "kind": "id",
+        "loc": Foo,
+        "text": "Foo",
+      },
+      "traits": [],
+    },
+  ],
+  "kind": "module",
+}
+`;
+
+exports[`grammar should parse expr-binary-chained-operators-2 1`] = `
+{
+  "id": 31,
+  "imports": [],
+  "items": [
+    {
+      "attributes": [],
+      "declarations": [
+        {
+          "as": {
+            "id": 14,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 15,
+          "initializer": {
+            "id": 13,
+            "kind": "op_binary",
+            "left": {
+              "id": 7,
+              "kind": "op_binary",
+              "left": {
+                "base": 10,
+                "id": 4,
+                "kind": "number",
+                "loc": 123,
+                "value": 123n,
+              },
+              "loc": 123 + -456,
+              "op": "+",
+              "right": {
+                "id": 6,
+                "kind": "op_unary",
+                "loc": -456,
+                "op": "-",
+                "operand": {
+                  "base": 10,
+                  "id": 5,
+                  "kind": "number",
+                  "loc": 456,
+                  "value": 456n,
+                },
+              },
+            },
+            "loc": 123 + -456 + +(987 * -654),
+            "op": "+",
+            "right": {
+              "id": 12,
+              "kind": "op_unary",
+              "loc": +(987 * -654),
+              "op": "+",
+              "operand": {
+                "id": 11,
+                "kind": "op_binary",
+                "left": {
+                  "base": 10,
+                  "id": 8,
+                  "kind": "number",
+                  "loc": 987,
+                  "value": 987n,
+                },
+                "loc": 987 * -654,
+                "op": "*",
+                "right": {
+                  "id": 10,
+                  "kind": "op_unary",
+                  "loc": -654,
+                  "op": "-",
+                  "operand": {
+                    "base": 10,
+                    "id": 9,
+                    "kind": "number",
+                    "loc": 654,
+                    "value": 654n,
+                  },
+                },
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": a: Int as coins = 123 + -456 + +(987 * -654),
+          "name": {
+            "id": 2,
+            "kind": "id",
+            "loc": a,
+            "text": "a",
+          },
+          "type": {
+            "id": 3,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+        {
+          "as": {
+            "id": 28,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 29,
+          "initializer": {
+            "id": 27,
+            "kind": "op_binary",
+            "left": {
+              "id": 21,
+              "kind": "op_binary",
+              "left": {
+                "base": 10,
+                "id": 18,
+                "kind": "number",
+                "loc": 123,
+                "value": 123n,
+              },
+              "loc": 123 + -456,
+              "op": "+",
+              "right": {
+                "id": 20,
+                "kind": "op_unary",
+                "loc": -456,
+                "op": "-",
+                "operand": {
+                  "base": 10,
+                  "id": 19,
+                  "kind": "number",
+                  "loc": 456,
+                  "value": 456n,
+                },
+              },
+            },
+            "loc": 123 + -456 - -(987 / +654),
+            "op": "-",
+            "right": {
+              "id": 26,
+              "kind": "op_unary",
+              "loc": -(987 / +654),
+              "op": "-",
+              "operand": {
+                "id": 25,
+                "kind": "op_binary",
+                "left": {
+                  "base": 10,
+                  "id": 22,
+                  "kind": "number",
+                  "loc": 987,
+                  "value": 987n,
+                },
+                "loc": 987 / +654,
+                "op": "/",
+                "right": {
+                  "id": 24,
+                  "kind": "op_unary",
+                  "loc": +654,
+                  "op": "+",
+                  "operand": {
+                    "base": 10,
+                    "id": 23,
+                    "kind": "number",
+                    "loc": 654,
+                    "value": 654n,
+                  },
+                },
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": b: Int as coins = 123 + -456 - -(987 / +654),
+          "name": {
+            "id": 16,
+            "kind": "id",
+            "loc": b,
+            "text": "b",
+          },
+          "type": {
+            "id": 17,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+      ],
+      "id": 30,
+      "kind": "contract",
+      "loc": contract Foo {
+    a: Int as coins = 123 + -456 + +(987 * -654);
+    b: Int as coins = 123 + -456 - -(987 / +654);
+},
+      "name": {
+        "id": 1,
+        "kind": "id",
+        "loc": Foo,
+        "text": "Foo",
+      },
+      "traits": [],
+    },
+  ],
+  "kind": "module",
+}
+`;
+
+exports[`grammar should parse expr-binary-operators 1`] = `
+{
+  "id": 19,
+  "imports": [],
+  "items": [
+    {
+      "attributes": [],
+      "declarations": [
+        {
+          "as": {
+            "id": 8,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 9,
+          "initializer": {
+            "id": 7,
+            "kind": "op_binary",
+            "left": {
+              "base": 10,
+              "id": 4,
+              "kind": "number",
+              "loc": 123,
+              "value": 123n,
+            },
+            "loc": 123 - -456,
+            "op": "-",
+            "right": {
+              "id": 6,
+              "kind": "op_unary",
+              "loc": -456,
+              "op": "-",
+              "operand": {
+                "base": 10,
+                "id": 5,
+                "kind": "number",
+                "loc": 456,
+                "value": 456n,
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": a: Int as coins = 123 - -456,
+          "name": {
+            "id": 2,
+            "kind": "id",
+            "loc": a,
+            "text": "a",
+          },
+          "type": {
+            "id": 3,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+        {
+          "as": {
+            "id": 16,
+            "kind": "id",
+            "loc": coins,
+            "text": "coins",
+          },
+          "id": 17,
+          "initializer": {
+            "id": 15,
+            "kind": "op_binary",
+            "left": {
+              "base": 10,
+              "id": 12,
+              "kind": "number",
+              "loc": 123,
+              "value": 123n,
+            },
+            "loc": 123 + -456,
+            "op": "+",
+            "right": {
+              "id": 14,
+              "kind": "op_unary",
+              "loc": -456,
+              "op": "-",
+              "operand": {
+                "base": 10,
+                "id": 13,
+                "kind": "number",
+                "loc": 456,
+                "value": 456n,
+              },
+            },
+          },
+          "kind": "field_decl",
+          "loc": b: Int as coins = 123 + -456,
+          "name": {
+            "id": 10,
+            "kind": "id",
+            "loc": b,
+            "text": "b",
+          },
+          "type": {
+            "id": 11,
+            "kind": "type_id",
+            "loc": Int,
+            "text": "Int",
+          },
+        },
+      ],
+      "id": 18,
+      "kind": "contract",
+      "loc": contract Foo {
+    a: Int as coins = 123 - -456;
+    b: Int as coins = 123 + -456;
+},
+      "name": {
+        "id": 1,
+        "kind": "id",
+        "loc": Foo,
+        "text": "Foo",
+      },
+      "traits": [],
+    },
+  ],
+  "kind": "module",
+}
+`;
+
 exports[`grammar should parse expr-chaining-unbox 1`] = `
 {
   "id": 16,
diff --git a/src/grammar/test/expr-binary-chained-operators-1.tact b/src/grammar/test/expr-binary-chained-operators-1.tact
new file mode 100644
index 000000000..ebb91f6bd
--- /dev/null
+++ b/src/grammar/test/expr-binary-chained-operators-1.tact
@@ -0,0 +1,4 @@
+contract Foo {
+    a: Int as coins = 123 + -456 + +789;
+    b: Int as coins = 123 + -456 +- 789;
+}
\ No newline at end of file
diff --git a/src/grammar/test/expr-binary-chained-operators-2.tact b/src/grammar/test/expr-binary-chained-operators-2.tact
new file mode 100644
index 000000000..b92298314
--- /dev/null
+++ b/src/grammar/test/expr-binary-chained-operators-2.tact
@@ -0,0 +1,4 @@
+contract Foo {
+    a: Int as coins = 123 + -456 + +(987 * -654);
+    b: Int as coins = 123 + -456 - -(987 / +654);
+}
\ No newline at end of file
diff --git a/src/grammar/test/expr-binary-operators.tact b/src/grammar/test/expr-binary-operators.tact
new file mode 100644
index 000000000..608f8acb1
--- /dev/null
+++ b/src/grammar/test/expr-binary-operators.tact
@@ -0,0 +1,4 @@
+contract Foo {
+    a: Int as coins = 123 - -456;
+    b: Int as coins = 123 + -456;
+}
\ No newline at end of file