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.

Example Input: Edward made 37 dollars mowing lawns over the summer . If he spent 21 dollars buying new mower blades , how many 2 dollar games could he buy with the money he had left ?
Example Output: 8

Example Input: Will was working as a sacker at a grocery store where he made 8 dollars an hour . On Monday he worked 8 hours and on Tuesday he worked 2 hours . How much money did Will make in those two days ?
Example Output: 80

Example Input: Tiffany baked 8 brownies , but needed 17 total for her party . If she used 8 cups of flour on each one , how much cups of flour does she still need ?
Example Output:
72