TASK DEFINITION: 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.
PROBLEM: A book store had 41 books in the bargin bin . If they sold 33 books , but then put 2 more in the bin , how many books would be in the bin ?

SOLUTION: 10

PROBLEM: Chloe was unboxing some of her old winter clothes . She found 4 boxes of clothing and inside each box there were 2 scarves and 6 mittens . How many pieces of winter clothing did Chloe have total ?

SOLUTION: 32

PROBLEM: After the price of petroleum oil went up by 10 % , a consumer reduced his oil consumption by the same percent . By what percent would his petroleum bill be changed ?

SOLUTION:
1