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: Lucy went to the grocery store. She bought 2 packs of cookie and 12 packs of cake. In the end she had 56 amount of change remaining. 

 Question: How many packs of groceries did she buy in all?
14

Context: Jack received 4 emails and sent 2 letters in the morning. He then received 6 emails and sent 8 letters in the afternoon. 

 Question: How many emails did Jack send in the day?
10

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?

587