You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Input: Consider Input: oliver had to wash 39 short sleeve shirts and 47 long sleeve shirts before school . if he had only washed 20 of them by the time school started how many did he not wash ?

Output: 66


Input: Consider Input: nancy had 43 files on her computer . she deleted 31 of them and put the rest into folders with 6 files in each one . how many folders did nancy end up with ?

Output: 2


Input: Consider Input: next on her list are the homeless people where she spent a total of $ 900 . if she gave $ 325 to the first set of homeless families and $ 260 to the second set of families how much did she give to the last set of homeless families ?


Output: 315


