Ooooh, i know this x'D.
There are 4 quarts in a gallon. So 2(Gallons)*4(Number of quarts per gallon) equals 8. Then we have 1/4th left, since there are 4 in each gallon, this 1/4th is a quart. Long explanation short......2*4=8+1=9
9 Quarts.
-Steel jelly
