You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Input: Consider Input: How many cookies would you have if you had 37 bags of cookies with 19 cookies in each bag ?

Output: 703


Input: Consider Input: There are 79 pencils in a box . Eric takes 4 pencils . How many are left ?

Output: 75


Input: Consider Input: Evelyn starts with 18 bottle caps . She finds another 63 . How many bottle caps does Evelyn end with ?


Output: 81