What is 5.333 cubic ft. x 23 cubic ft.?

Answer 1

5.333 cu ft × 23 cu ft = 5.333 ft³ × 23 ft³ = 122.659 ft⁶

A cubic times a cubic results in a six dimensional number. I don't think that is what you really wanted.

Perhaps you need to rethink the question you are trying to ask and re-ask it.