Simple calculation of 3 / 4 × 23 / 7 + 5 / 7 × 3 / 4

Simple calculation of 3 / 4 × 23 / 7 + 5 / 7 × 3 / 4

Because the law of multiplicative distribution can be changed to
(23 / 7 + 5 / 7) times 3 / 4
=28 out of 7 times 3 out of 4
=3