Area is 2 dimensional while volume is three dimensional.
7^3 power is the answer to your question
3/8 = 1/8 +1/8 + 1/8 ; 3/8 = 1/8 + 2/8 ; 2 1/8 = 1 +1 + 1/8 = 8/8 + 8/8 + 1/8.
Hope this helps!
1 cup = 0.25 quarts,
12+15+5 = 32 cups:
32 * .25 = 8 quarts