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: Paco had 22 sweet cookies and 75 salty cookies. He ate 15 sweet cookies and 54 salty cookies. 

 Question: How many sweet cookies did Paco have left?
Example Output: 7

Example Input: Context: In a school there are 34 girls and 841 boys. 

 Question: How many more boys than girls does the school have?
Example Output: 807

Example Input: Context: Jerry had some action figures on a shelf in his room. Later he added 2 more action figures to the shelf and removed 7 of the old ones. If there are 10 action figures on his shelf now 

 Question: How many action figures did he have initially on the shelf?
Example Output:
15