added for loop for simplify_product_function

src/main/py/read_math_function.py

@@ -98,3 +98,5 @@ def simplify_product_function(type, function):
     terms = function.split('*')
     result_coefficient = 1
     result_variables = ""
+    for term in terms:
+        simplified_term = simplify_easy_math_function("v", term.strip())