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: 2 birds were sitting on the fence. 5 more birds and 4 more storks came to join them. 

 Question: How many more birds than storks are sitting on the fence?
[EX A]: 3

[EX Q]: Context: There were 8 people on the bus. At the next stop 12 more people got on the bus and 3 people got off. 

 Question: How many people are there on the bus now?
[EX A]: 17

[EX Q]: 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?
[EX A]:
8