Assuming this is 287 gallons of WATER, the answer would be 8.34*287=2393.58 lbs. .
If it was 287 gallons of GASOLINE, the answer would be 8.66*287=2485.42 lbs. .
If it was 2…87 gallons of manure, it would be more than a TON OF CRAP. (MORE)
From Wikipedia: In a special episode, Ichigo and a number of other characters take part in an alternate world that hinges closely on the stories of Aladdin and the Magic Lamp…. Ichigo finds out that this is all a dream, and strives to wake up, while the others are intent on finding a hidden treasure called a Snow Crystal. Throughout a series of misadventures, Ichigo and the others encounter a magic lamp with the power to grant three wishes, the "genie" being Rukia, who, by breaking the laws of granting wishes is sentenced to be executed in the "Lamp Society". Ichigo and the others go to rescue her, and by doing so, Ichigo is granted the third and final wish. Instead of being wished to wake up from the dream he is supposedly having, he opts for the Snow Crystal. But when it appears, it is revealed that the whole ordeal was dreamed up by Isane Kotetsu in the Soul Society. (MORE)