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.
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Question: Context: Randy has some blocks. He uses 52 blocks to build a tower. If there are 38 blocks left 

 Question: How many blocks did he have at the start?

Answer: 90


Question: 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?

Answer: 587


Question: Context: Jack received 3 emails in the morning, 4 emails in the afternoon and 8 emails in the evening. 

 Question: How many emails did Jack receive in the morning and evening?

Answer:
11