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: 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?

Ex Output:
13


Ex Input:
Context: Next on his checklist is wax to stick the feathers together and colors to paint them. He needs a total of 57 g of colors to paint them. He needs 22 g of wax more. If the feathers require a total of 353 g of wax 

 Question: How many grams of wax does he already have?

Ex Output:
331


Ex Input:
Context: Baker made 155 cakes. If his friend bought 140 cakes from him 

 Question: How many cakes would baker still have?

Ex Output:

15