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.

[EX Q]: Context: Danny has 12 bottle caps in his collection. He found 53 bottle caps at the park.

Question: How many bottle caps does he have now?
[EX A]: 65

[EX Q]: Context: Paul got a box of some crayons for his birthday. During the school year he gave 52 crayons to his friends while he lost 535 crayons. If he only had 492 crayons left

Question: How many crayons had been lost or given away?
[EX A]: 587

[EX Q]: Context: Haley grew 9 trees in her backyard. After a typhoon 4 died. Then she grew 5 more trees.

Question: How many trees does she have left?
[EX A]:
10