2 1/6 x 1 1/4 x 2 2/3
[2 + 1/6] x [1 + 1/4 ] x [ 2 + 2/3 ] =
[13 /6 ] x [ 5/4 ] x [ 8/3] =
[13/6] x [5/3] x [ 8/4] =
[13/6] x [5/3] x 2 =
[2/6] * 13 * [5/3] =
[1/3] * [ 13] * [5/3] =
[13/3] * [ 5/3] =
65/9 =
7 + 2/9 =
7.2222
136×54×83=659=7.2222222222222222
7 2/9