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 14 customers. 5 customers left.

Question: How many customers does he still have?

SOLUTION: 9

PROBLEM: Context: Nell collects cards. She had 239 baseball cards and 38 Ace cards. She gave some of her cards to Jeff and now has 376 Ace cards and 111 baseball cards left.

Question: How many more Ace cards than baseball cards does Nell have?

SOLUTION: 265

PROBLEM: Context: Tiffany was collecting cans for recycling. On monday she had some bags of cans. The next day she found 4 more bags worth of cans. If she had a total of 8 bags altogether

Question: How many bags did she have on monday?

SOLUTION:
4