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.

[Q]: Context: Paul got a box of some crayons for his birthday. By the end of the school year he only had 291 crayons left since he had either lost or given away 315 of them. 

 Question: How many crayons did he get for his birthday?
[A]: 606


[Q]: Context: Rachel had to complete 5 pages of math homework, 10 pages of reading homework and 6 more pages of biology homework. 

 Question: How many pages of reading and biology homework did she have to complete?
[A]: 16


[Q]: Context: Zachary did 44 push-ups in gym class today. David did 58 more push-ups than zachary. 

 Question: How many push-ups did Zachary and David do altogether?
[A]:
146