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: A waiter had 13 customers. After some left he got 4 new customers. If he still had 9 customers 

 Question: How many customers left?

SOLUTION: 8

PROBLEM: Context: Josh had 4 marbles in his collection. He lost 16 marbles and found 8 new ones. 

 Question: How many more marbles did he lose than those he found?

SOLUTION: 8

PROBLEM: Context: Jake has 84 more apples and 10 fewer peaches than Steven. Steven has 13 peaches and 52 apples. 

 Question: How many peaches does Jake have?

SOLUTION:
3