(2 + 5 / 6) * 6 = 17
(2 + (5 / 6)) * 6 = 17
(5 / 6 + 2) * 6 = 17
((5 / 6) + 2) * 6 = 17
6 * (2 + 5 / 6) = 17
6 * (2 + (5 / 6)) = 17
6 * (5 / 6 + 2) = 17
6 * ((5 / 6) + 2) = 17