You are given a math word problem and you are supposed to apply an addition mathematical operator 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 65 crayons for his birthday. During the school year he gave 213 crayons to his friends while he lost 16 crayons. 

 Question: How many crayons had been lost or given away?
229

Context: Winter is almost here and most animals are migrating to warmer countries. There are some bird families living near the mountain. 20 bird families flew away for winter while 14 bird families stayed behind. 

 Question: How many bird families were living near the mountain at the start?
34

Context: In a school there are 902 girls and 811 boys. 44 more girls joined the school. 

 Question: How many girls are there in the school now?

946