Related Post: 3 3 X 216 3 3 X 21 3 X 3 2187 3 3 Times 216 2x 3 3 X )= 21 3 1 3 X 21 3 2x 3 3x 21 3 X 2 3 X 216 3 4 X 3 21 3/4 *2/3