The solid figure is separated along the dotted line into two rectangular prisms. What are the volumes of the two rectangular prisms?
What is the volume of the solid figure?
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A solid is made up of 2 rectangular prisms. The total length of the solid is 20 inches. First rectangular prisms has a height of 5 inches, and width of 4 inches. Second rectangular prisms has length as 4 inches, height of 8 inches, and width of 4 inches.

The volume of two rectangular prisms are cubic inches and 128 cubic inches. The volume of the solid figure is cubic inches.