diff --git a/app/calculator.py b/app/calculator.py
index e769ea61..c95d9d77 100644
--- a/app/calculator.py
+++ b/app/calculator.py
@@ -18,4 +18,4 @@ def abs(x):
         return x if x >= 0 else -x
 
     def pow(x, y):
-        return x**y
+        return x*y