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: At the fair there were 31 people in line for the bumper cars . If 25 of them got tired of waiting and left and 25 more got in line , how many people would be in line ?

Output: 31


Input: Consider Input: Sara had 21 quarters in her bank . Her dad gave her 49 quarters . How many quarters does she have now ?

Output: 70


Input: Consider Input: Arthur has 6 cards . Aaron has with 5 cards . Aaron finds another 62 . How many cards does Aaron end with ?


Output: 67