8 - 3 + 5 * 1
(8 - 3) + 5 * 1
(8 - 3 + 5) * 1
8 - (3 - 5) * 1
8 - (3 - 5 * 1)
8 - 3 + (5 * 1)
(8 - 3) + (5 * 1)
8 - 3 + 5 * 1
(8 - (3 - 5)) * 1
8 - ((3 - 5) * 1)
8 - (3 - (5 * 1))