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: Jerry had 7 books and 3 action figures on a shelf in his room. Later he added 2 more action figures to the shelf. 

 Question: How many more books than action figures were on his shelf?
Example Output: 2

Example Input: Context: Paul got a box of 110 crayons for his birthday. During the school year he gave 90 crayons to his friends while he lost 412 crayons. 

 Question: How many more crayons did he lose than those he gave to his friends?
Example Output: 322

Example Input: Context: 3 birds were sitting on the fence. 6 more storks and 2 more birds came to join them. 

 Question: How many more storks than birds are sitting on the fence?
Example Output:
1