(3 / 59) ( 3-3 + 2-5 ) =
( 3 / 59) (1/33 + 1/25) =
(3 / 59) (1/27 + 1/32) =
(3 / 59) [27 + 32] / 864 =
(3 / 59) [ 59 / 864] =
3 / 864 =
1 / 288
