I will explain it for you. To find the volume of a cube you will need to do: side x side x side For a rectangular prism you will need to do: length x width x height
For a cylinder you will need to do : pie x radius*2 x height You are trying to solve a rectangular prism so you will need to do : 9.5 x 15 x 13 = 1852.5 cubic inches I hope my explanation will help you with your problem. :)
