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.

[EX Q]: Context: At the arcade Dave had won 7 tickets. He used some tickets to buy toys. If he still has 2 tickets left 

 Question: How many tickets did Dave use to buy toys?
[EX A]: 5

[EX Q]: Context: Julia played tag with 15 kids on monday, 18 kids on tuesday and 7 kids on wednesday. 

 Question: How many more kids did she play with on monday and tuesday than on wednesday?
[EX A]: 26

[EX Q]: Context: Adam has 10 apples. Jackie has 2 apples. 

 Question: How many more apples does Adam have than Jackie?
[EX A]:
8