TASK DEFINITION: You are given a math word problem and you are supposed to apply a single mathematical operator 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.
PROBLEM: gwen prepared 98 books to sell in the flea market . after the activity ended she had 96 books left . how many did she sell ?

SOLUTION: 2

PROBLEM: rachel baked some brownies . she brought 16 brownies to school that day . she left 24 brownies at home . how many brownies did rachel bake ?

SOLUTION: 40

PROBLEM: dean went to the beach with his friends to enjoy the last weeks of summer . when they got to the beach they rented a house for them to stay in for a couple of weeks . if there are 7 of them including dean and each paid $ 70 for the rent how much did they pay in total ?

SOLUTION:
490