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: Rachel had to complete 2 pages of reading homework and 4 pages of math homework. 

 Question: How many more pages of math homework than reading homework did she have?
Example Output: 2

Example Input: Context: Jesse has 18 square feet of carpet. If her room is 4 feet long and 20 feet wide 

 Question: How much more carpet does she need to cover the whole floor?
Example Output: 62

Example Input: Context: Stray cats loved eating goldfish in the pond leaving 6 goldfish. Paige had raised 8 goldfish in the pond initially. 

 Question: How many goldfish disappeared?
Example Output:
2