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: 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

Example Input: Context: Dan has $ 5. He bought a chocolate for $ 3 and a candy bar for $ 7. 

 Question: How much money did he spend to buy candy bar than he did to buy chocolate?
Example Output: 4

Example Input: Context: Jack received 10 emails in the morning, 5 emails in the afternoon and 4 emails in the evening. 

 Question: How many more emails did Jack receive in the afternoon than in the evening?
Example Output:
1