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: Tim had 7 quarters and 9 nickels in his bank . His dad gave him 3 nickels and 5 pennies . How many nickels does Tim have now ?

Output: 12


Input: Consider Input: There are 34 dogwood trees currently in the park . Park workers will plant 49 dogwood trees today . How many dogwood trees will the park have when the workers are finished ?

Output: 83


Input: Consider Input: There are 115 pencils in the drawer . Sara placed 100 more pencils in the drawer . How many pencils are now there in all ?


Output: 215