 
 <prompt> Paul n lo ọpọlọpọ frosting kan lati fi ọpọlọpọ cake. O n lo ọpọlọpọ frosting fun cake kan, tabi cake kan, tabi dozen cupcakes. Fun Ọjọ ẹti, o nilo lati ni 3 cake layer, 6 dozen cupcakes, 12 cake kan ati 18 panu ti o ti fi frosting fun awọn alabara wọnyi. Nje o nilo pe o ni ọpọlọpọ frosting? <response>: He needs 1 can of frosting per layer cake and he needs to make 3 layer cakes so that's 1*3 = 3 cans of frosting
There are 6 dozen cupcakes,12 single cakes and 18 pans of brownies for a total of 6+12+18 = 36 orders
Each of the 36 orders needs 1/2 can of frosting so they need 36*.5 = 18 cans of frosting
He needs 3 cans of frosting for the layer cakes and 18 cans for the remaining items for a total of 3+18 = 21 cans of frosting

The answer will be 21. 