You are given a math word problem and you are supposed to apply multiplication or division mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

If Heather bicycled 40 kilometers at 8 kilometers per hour , how long was Heather bicycling ?
5

A painter needed to paint 6 rooms in a building . Each room takes 5 hours to paint . If he already painted 2 rooms , how much longer will he take to paint the rest ?
20

If Karen sold 36 boxes of Tagalongs , how many cases of 12 boxes does Karen pickup from the cookie mom ?

3