You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[Q]: At the arcade Cody won 49 tickets . If he spent 25 tickets on a beanie and later won 6 more tickets , how many would he have ?
[A]: 30


[Q]: Wendy was playing a video game and had 10 lives . In a hard part of the game she lost 6 lives . If she got 37 more lives in the next level , how many lives would she have ?
[A]: 41


[Q]: Paul got a box of 479 crayons for his birthday . At the end of the school year , he only had 134 left . How many crayons had been lost or given away ?
[A]:
345