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.

Context: Dave had 16 apps and 77 files on his phone. After deleting some apps and files he had 5 apps and 23 files left. 

 Question: How many apps did he delete?
11

Context: Jake has 12 fewer peaches and 79 more apples than Steven. Steven has 19 peaches and 14 apples. 

 Question: How many peaches does Jake have?
7

Context: Winter is almost here and most animals are migrating to warmer countries. There are 38 bird families living near the mountain. If 47 bird families flew away to africa and 94 bird families flew away to asia 

 Question: How many more bird families flew away to asia than those that flew away to africa?

47