BAKING Darren is baking a two-layer cake and the pan for each layer is in the shape of a cylinder. The radius of the pan for the bottom layer is 6 inches and the radius of the pan for the top layer is 4 inches. The batter for both layers will fill the pan to a depth of 2 inches. Rounded to the nearest cubic inch, Darren needs
cubic inches of batter.

if possible pls show work , im just a little confused