TASK DEFINITION: You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
PROBLEM: Context: There are 14 different movies and 15 different books in the ' crazy silly school ' series. If you read 11 of the books and watched 40 of the movies

Question: How many more books than movies are there in the ' crazy silly school ' series?

SOLUTION: 1

PROBLEM: Context: Dave had 15 apps on his phone. He added 71 new apps. After deleting some he had 14 left.

Question: How many more apps did he delete than he added?

SOLUTION: 1

PROBLEM: Context: 15 campers went rowing in the morning. Some more campers went rowing in the afternoon. If a total of 32 campers went rowing that day

Question: How many campers went rowing in the afternoon?

SOLUTION:
17