instruction:
You are given a math word problem and you are supposed to apply division mathematical operator on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
question:
Context: An industrial machine made 13 shirts yesterday and 3 shirts today. It can make 8 shirts a minute.

Question: How many minutes did the machine work in all?
answer:
2

question:
Context: Edward spent $ 6 to buy 2 books each book costing him the same amount of money. Now he has $ 12.

Question: How much did each book cost?
answer:
3

question:
Context: Matthew gave 6 crackers to each his friends. If he had 36 crackers

Question: How many friends did he give crackers to?
answer:
6