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: Every day Ryan spends 3 hours on learning english and some more hours on learning chinese. If he spends a total of 4 hours on learning english and chinese everyday

Question: How many hours does he spend on learning chinese?

SOLUTION: 1

PROBLEM: Context: Julia played tag with 18 kids on monday. She played tag with 10 kids on tuesday.

Question: How many more kids did she play with on monday than on tuesday?

SOLUTION: 8

PROBLEM: Context: Bobby ate 38 pieces of candy. Then he ate 36 more. He also ate 16 pieces of chocolate.

Question: How many more pieces of candy than chocolate did Bobby eat?

SOLUTION:
58