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 22 different books and 10 different movies in the ' crazy silly school ' series. If you read 12 of the books and watched 56 of the movies 

 Question: How many more books do you still have to read?

SOLUTION: 10

PROBLEM: Context: There are 4 different books and 17 different movies in the ' crazy silly school ' series. If you read 19 of the books and watched 7 of the movies 

 Question: How many more movies do you still have to watch?

SOLUTION: 10

PROBLEM: Context: A book has 2 chapters across 23 pages. The first chapter is 10 pages long. 

 Question: How many pages are in the first chapter?

SOLUTION:
13