?????????????? "kuboid" ??????????? ??????????? "is measuring" ??????????? yu wanna no HOW BIG ??? yu giv 3 numbers, so me assume yu meen a BOX, BOX, BOX, BOX, BOX,..... or wot guvt krats kall a "rektangular solid"... small box...3 bi 4 bi 5... big box...6.5 bi 11 bi 12... 3 go intu 6.5 2 times, 4 go intu 11 2 times, 5 go intu 12 2 times. anser=2*2*2=8