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: There are 4 different books and 17 different movies in the ' crazy silly school ' series. If you read 19 of the books and watched 7 of the movies 

 Question: How many more movies do you still have to watch?
Example Output: 10

Example Input: Context: Rachel had to complete 8 pages of math homework. If she had to complete 3 more pages of math homework than reading homework 

 Question: How many pages did she have to complete in all?
Example Output: 13

Example Input: Context: Jessie weighed 92 kilograms. After she started to go jogging everyday she lost 56 kilograms in the first week and 99 kilograms in the second week. 

 Question: How much did she weigh after the first week of jogging?
Example Output:
36