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 Input:
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 Output:
26

Ex Input:
Context: Mary is baking a cake. The recipe calls for 14 cups of flour and 6 cups of sugar. She already put in 5 cups of flour.

Question: How many more cups of flour than cups of sugar does she need to add now?

Ex Output:
3

Ex Input:
Context: Zachary did 51 push-ups and David did 44 push-ups in gym class today.

Question: How many more push-ups did Zachary do than David?

Ex Output:
7