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.

[Q]: Context: Julia played tag with 16 kids on monday. If she played tag with 12 more kids on monday than on tuesday 

 Question: How many kids did she play with on tuesday?
[A]: 4


[Q]: Context: David did 44 push-ups in gym class today. David did 9 more push-ups than Zachary. 

 Question: How many push-ups did Zachary do?
[A]: 35


[Q]: Context: Josh had 9 marbles in his collection. He lost some marbles. If he has 4 marbles now 

 Question: How many marbles did he lose?
[A]:
5