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

Input: Consider Input: Helen starts with 82 cards . Gary takes 9 away . How many cards does Helen end with ?

Output: 73


Input: Consider Input: Carrie 's mom gave her $ 91 to go shopping . She bought a sweater for $ 24 , a T - shirt for $ 6 , and a pair of shoes for $ 11 . How much money does Carrie have left ?

Output: 50


Input: Consider Input: Kelly has 121 Nintendo games . How many does Kelly need to give away so that Kelly will have 22 games left ?


Output: 99