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.

Example Input: At the arcade , Jerry won 29 tickets playing ' whack a mole ' and 17 tickets playing ' skee ball ' . If he spent 12 of his tickets on a hat , how many tickets does Jerry have left ?
Example Output: 34

Example Input: Jason went to the mall on Saturday to buy clothes . He spent $ 14.28 on shorts and $ 4.74 on a jacket . In total , how much money did Jason spend on clothing ?
Example Output: 19.02

Example Input: A book store had 41 books in the bargin bin . If they sold 33 books , but then put 2 more in the bin , how many books would be in the bin ?
Example Output:
10