3 x 4 12 2 x 6 8 July 8, 2019 16 32 64 128 8 1 4 x 12 x 6 2 3 2 12 x 3 5 4 6 x 81 X 4 5x 3 8x 2 13x 12 )/( x 6 12 6 x 3 4 12 x 4 + 3 12 2 x 4 3 12 x 4 8