instruction:
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.
question:
Nancy picked 12 carrots from her garden . If she threw out 2 of them and then picked 21 more the next day , how many carrots would she have total ?
answer:
31


question:
Alyssa 's dog had puppies . She gave 7 to her friends . She now has 5 puppies . How many puppies did she have to start with ?
answer:
12


question:
A store had 40 oranges in a bin . If they threw away 37 of the old ones and put 7 new ones in the bin how many would be in the bin ?
answer:

10