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: Danny collects bottle caps and wrappers. He found 11 bottle caps and 28 wrappers at the park. Now he has 68 bottle caps and 51 wrappers in his collection.

Question: How many more wrappers than bottle caps did danny find at the park?
Example Output: 17

Example Input: Context: They decided to hold the party in their backyard. They have 4 sets of tables and each set has 3 chairs. If a total of 14 people will attend the party

Question: How many more chairs will they have to buy?
Example Output: 2

Example Input: Context: Rachel had to complete 3 pages of math homework and 4 pages of reading homework.

Question: How many more pages of reading homework than math homework did she have?
Example Output:
1