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: 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?

Output: 12


Input: Consider Input: Context: Every day Ryan spends 6 hours on learning english and 7 hours on learning chinese. 

 Question: How many more hours does he spend on learning chinese than he does on learning english?

Output: 1


Input: Consider Input: Context: Jessie weighed 71 kilograms. After she started to go jogging everyday she lost 20 kilograms. 

 Question: How much does she weigh now?


Output: 51