Update app.py

app.py

@@ -18,12 +18,12 @@ def dumb_calculator(arg1:int, arg2:int)-> float: #it's import to specify the ret
     """
     import numpy as np 
     
-    if arg1 == 0 and arg2 == 0:
-        return 0
-    elif arg1 != 0 and arg2 != 0:
-        return arg1 * arg2
+    if str(int(arg1) == 0) and str(int(arg2) == 0):
+        return str(int(0))
+    elif str(int(arg1) != 0) and str(int(arg2) != 0):
+        return str(int(arg1 * arg2))
     else:
-        return np.sqrt(arg1 + arg2)
+        return str(int(np.sqrt(arg1 + arg2)))
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: