Is 8 3/4 gal bigger or smaller than 32 qt

A pint is not bigger than a quart. A pint is half the size of a quart, and it contains 16 ounces or 2 cups. 

there are infinitely many solutions.

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.