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.

Input: Consider 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?

Output: 7


Input: Consider Input: Context: Ed had 5 more marbles than Doug. Doug lost 3 of his marbles at the playground. If Ed had 27 marbles 

 Question: How many marbles did Doug have initially?

Output: 22


Input: Consider Input: Context: At the arcade Dave had won 18 tickets. If he used 5 to buy some toys and 11 more to buy some clothes 

 Question: How many tickets did Dave have left?


Output: 2