The answer is as follows: There are 2 pints in a quart. There are 2 quarts in a half gallon. There are 2 half gallons in a gallon. Therefore, we can conclude that there are 10 quarts of orange juice.
Each is 7 long and the whole piece is 56 so we can make 8 down the length and each is 1 wide and the whole things is 3 so that makes 3 across. we multiply these to get 8*3= 24