A jug is filled with 5 liters of water and a bucket is filled with 4 jugs. How many liters of water are contained in 2 buckets?
4 jugs contain 4*5 = <T>multiply(4, 5)=20 liters of water.
2 bucket contains 20*2 = <T>multiply(20, 2)=40 liters of water.
