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.

Example Input: Context: The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 14 inches. The mouse jumped 16 inches lesser than the frog who jumped 37 inches farther than the grasshopper. 

 Question: How much farther did the mouse jump than the grasshopper?
Example Output: 21

Example Input: Context: A waiter had 13 customers. After some left he got 4 new customers. If he still had 9 customers 

 Question: How many customers left?
Example Output: 8

Example Input: Context: Jake has 5 fewer peaches than Steven. Steven has 18 more peaches than Jill. If Jill has 87 peaches 

 Question: How many more peaches does Jake have than Jill?
Example Output:
13