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: Dave had 15 apps on his phone. He added 71 new apps. After deleting some he had 14 left. 

 Question: How many more apps did he delete than he added?

Output: 1


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: A farmer had 177 tomatoes and 12 potatoes in his garden. If he picked 53 tomatoes 

 Question: How many tomatoes and potatoes does he have left?


Output: 136