hi people. im new to this. looks like ye got a good site going here, can comeone help me with this problem please as i cant get the right answer at all. here is the question:

ailis,bre,casy and darcy are travelling on a tourist bus. each of them has 3 baskets in each hand. there are 4 cats in every basket. every cat has 5 kittens. at the bus stop casy and darcy got off. mary got on.

how many legs are there on the bus??

appreciate all replies

thanks alot people