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 110 crayons for his birthday. During the school year he gave 90 crayons to his friends while he lost 412 crayons. 

 Question: How many more crayons did he lose than those he gave to his friends?
322

Context: Julia played tag with 15 kids on monday, 18 kids on tuesday and 7 kids on wednesday. 

 Question: How many more kids did she play with on monday and tuesday than on wednesday?
26

Context: Next on his checklist is wax to stick the feathers together. If the feathers require 166 g of wax and right now he has 20 g 

 Question: How many more grams of wax does he need?

146