instruction:
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.
question:
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?
answer:
606


question:
Context: Edward spent $ 4 to buy books and $ 3 to buy pens. Now he has $ 12. 

 Question: How much did Edward spend on books and pens?
answer:
7


question:
Context: Helen the hippo and her friends are preparing for thanksgiving at Helen's house. Helen baked 90 chocolate chip cookies yesterday and 51 raisin cookies and 484 chocolate chip cookies this morning. 

 Question: How many chocolate chip cookies did Helen bake?
answer:

574


