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: There school 's baseball team had 2 new players and 6 returning players . If the coach put them into groups with 4 players in each group , how many groups would there be ?

Output: 2


Input: Consider Input: Gary had 73 dollars . He spent 55 dollars on a pet snake . How many dollars did Gary have left ?

Output: 18


Input: Consider Input: There are 2 maple trees and 5 popular trees currently in the park . Park workers will plant 9 maple trees today . How many maple trees will the park have when the workers are finished ?


Output: 11