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.

[EX Q]: Context: Rebecca wants to split a collection of marbles into groups of 4. Rebecca has 10 eggs and 20 marbles. 

 Question: How many groups will be created?
[EX A]: 5

[EX Q]: Context: Frank put some pieces of candy equally into 2 bags. If he had 16 pieces of candy 

 Question: How many pieces of candy are in each bag?
[EX A]: 8

[EX Q]: Context: An industrial machine made 9 shirts yesterday and 8 shirts today. It can make 2 shirts a minute. 

 Question: How many minutes did the machine work today?
[EX A]:
4