3 x 4 2 108 July 8, 2019 16 32 64 128 X 4 3x 2 108 X 4 3x 2 108 0 X 4 12x 3 54x 2 108x 81 X 4 3x 3 36x 2 108x 0 X 4 12x 3 54x 2 108x 81 0 3 4 x 10^38 3 x 108