diff --git a/app.py b/app.py
index e1ad34a..fb69eb7 100644
--- a/app.py
+++ b/app.py
@@ -18,3 +18,8 @@ def add(a: int, b: int) -> int:
 
 if __name__ == "__main__":
     print(greet("review-policy"))
+
+
+def multiply(a: int, b: int) -> int:
+    """Return the product of two integers."""
+    return a * b