Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

Input: Consider Input: evan has a large collection of books . he gave his best friend 14 books . he gave his little brother 8 books . now evan has 60 books in his collection . how many books did he have at first ?

Output: 82

Input: Consider Input: for the school bake sale amy made pastries . she baked 15 cupcakes and 48 cookies . after the sale she had 12 to take back home . how many pastries did she sell ?

Output: 51

Input: Consider Input: with the win streak that they have chuck 's team was able to get into the playoffs . they reached the semi-finals where they played against the black team . if they finished the game with 83 points and won it by 18 points what is the black team 's final score ?
Output: 65