diff --git a/src/py2048/utils.py b/src/py2048/utils.py
old mode 100644
new mode 100755
index 6b085cb..1c50cd4
--- a/src/py2048/utils.py
+++ b/src/py2048/utils.py
@@ -6,3 +6,11 @@ class Direction(Enum):
     DOWN = (0, 1)
     LEFT = (-1, 0)
     RIGHT = (1, 0)
+
+    def __mul__(self, num: int) -> tuple[int, int]:
+        """Multiply the direction by a constant."""
+        return self.value[0] * num, self.value[1] * num
+
+    def __imul__(self, num: int) -> tuple[int, int]:
+        """Multiply the direction by a constant."""
+        return self.value[0] * num, self.value[1] * num