If each bag has 14 cookies and you had 42 cookies in total How many bags of cookies do you have?
We know that each bag has 14 cookies. 
We know that we have 42 cookies in total. 

We want to know how many bags of cookies we have. 

We can divide 42 by 14 to find out how many bags of cookies we have. 

42 divided by 14 equals 3. 

We have 3 bags of cookies.