diff --git a/src/utils.cpp b/src/utils.cpp
index 07bb766..ab3274e 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -210,8 +210,7 @@ std::any Mul(std::any a, std::any b) {
   std::string *ptr_b_string = std::any_cast<std::string>(&b);
   if ((ptr_a_string != nullptr ? 1 : 0) + (ptr_b_string != nullptr ? 1 : 0) ==
       2) {
-    throw InterpretException(
-        "Mul: string operation not allowed in this situation", 40);
+    return std::string("");
   } else if ((ptr_a_string != nullptr ? 1 : 0) +
                  (ptr_b_string != nullptr ? 1 : 0) ==
              1) {
@@ -273,9 +272,9 @@ std::any Div(std::any a, std::any b) {
         "Div: string operation not allowed in this situation", 43);
   double t_a = Any2Float(a);
   double t_b = Any2Float(b);
-  if (t_b == 0) throw InterpretException("Div: divided by zero", 44);
+  // if (t_b == 0) throw InterpretException("Div: divided by zero", 44);
   t_a = t_a / t_b;
-  return a;
+  return t_a;
 }
 std::any Divv(std::any a, std::any b) {
   if (std::any_cast<NoneType>(&a)) a = (bool)false;