How can you get a cabbage a goat and a wolf across a river with our the wolf eating the goat and the goat eating the cabbage?

what you do is take the sheep over to the other side then you take the wolf to the other side bring the sheep back to the opposite side then take the cabbage over to the side after returning the sheep then once the cabbage and the wolf are on the opposite side of the island take the sheep then u win!