instruction:
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.
question:
The school cafeteria ordered 37 red apples and 45 green apples for students lunches . But , if only 51 students wanted fruit , how many extra did the cafeteria end up with ?
answer:
31


question:
Zoe baked 5 brownies , but needed 11 total for her party . If she used 7 cups of flour on each one , how much cups of flour does she still need ?
answer:
42


question:
George was working as a sacker at a grocery store where he made 5 dollars an hour . On Monday he worked 7 hours and on Tuesday he worked 2 hours . How much money did George make in those two days ?
answer:

45