What is the volume of the prism? Enter in the box as a mixed number in simplest form ___ft

To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height.
So:
1 1/2 = 3/2
3 1/2 = 7/2
2 1/2 = 5/2
[tex]V\text{ = }\frac{3}{2}\times\frac{7}{2}\times\frac{5}{2}=\text{ }\frac{105}{8}=13\frac{1}{8}[/tex]