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: Jack received 6 emails in the morning and 8 emails in the afternoon. 

 Question: How many more emails did Jack receive in the afternoon than in the morning?
Example Output: 2

Example Input: Context: Danny collects bottle caps and wrappers. He found 71 bottle caps and 24 wrappers at the park. Now he has 28 bottle caps and 16 wrappers in his collection. 

 Question: How many more bottle caps than wrappers does danny have now?
Example Output: 12

Example Input: Context: There were 106 dollars in Olivia's wallet. After she visited a supermarket and a showroom there were 26 dollars left. If she spent 49 dollars at the showroom 

 Question: How much did she spend at the supermarket?
Example Output:
31