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: Paul got a box of 457 erasers and 617 crayons for his birthday. At the end of the school year he only had 523 crayons left while not having lost a single eraser. 

 Question: How many more crayons than erasers did he have left?
66

Context: David did 40 more push-ups but 17 less crunches than Zachary in gym class today. If Zachary did 34 push-ups and 62 crunches 

 Question: How many crunches did David do?
45

Context: 5 red peaches and 11 green peaches are in the basket. 

 Question: How many more green peaches than red peaches are in the basket?

6