What is the volume of the box?

The formula of a volume of the box:
[tex]V=lwh\\\\l-length\\w-width\\h-height[/tex]
We have
[tex]l=\dfrac{3}{4}\ inch\\\\w=\dfrac{1}{2}\ inch\\\\h=\dfrac{1}{4}\ inch[/tex]
Substitute:
[tex]V=\dfrac{3}{4}\cdot\dfrac{1}{2}\cdot\dfrac{1}{4}=\dfrac{3}{32}\ inch^3[/tex]