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: Jake has 3 fewer peaches and 4 more apples than Steven. Steven has 19 apples and 15 peaches. 

 Question: How many more apples than peaches does Steven have?

SOLUTION: 4

PROBLEM: Context: Dan has $ 5. He bought a chocolate for $ 3 and a candy bar for $ 7. 

 Question: How much money did he spend to buy candy bar than he did to buy chocolate?

SOLUTION: 4

PROBLEM: Context: Marco and his dad went strawberry picking. Marco's dad's strawberries weighed 11 pounds. If together their strawberries weighed 30 pounds. 

 Question: How much did Marco's strawberries weigh?

SOLUTION:
19