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: Dave had 15 apps on his phone. He added 71 new apps. After deleting some he had 14 left. 

 Question: How many more apps did he delete than he added?

Ex Output:
1


Ex Input:
Context: Danny collects bottle caps. He threw away 6 of the old ones at the park while he found 50 bottle caps new ones. Now he has 60 bottle caps in his collection. 

 Question: How many more bottle caps did danny find at the park than those he threw away?

Ex Output:
44


Ex Input:
Context: The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 39 inches. The grasshopper jumped 19 inches farther than the frog and the mouse jumped 12 inches lesser than the frog. 

 Question: How far did the mouse jump?

Ex Output:

8