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.

Ex Input:
Harold has 53 marbles . He gets 16 more from Steve . How many marbles does Harold have in all ?

Ex Output:
69


Ex Input:
Paul bought 6 boxes of chocolate candy and 4 boxes of caramel candy . If each box has 9 pieces inside it , how much candy did he have total ?

Ex Output:
90


Ex Input:
Tommy had some balloons . His mom gave him 34 more balloons for his birthday . Then , Tommy had 60 balloons . How many balloons did Tommy have to start with ?

Ex Output:

26