187 + 75 = 262
350 - 86 = 264
238 + 93 = 331
540 + 30 = 570
540 + 300 = 840
540 + 330 = 870
17 * 4 / 2 = 68 / 2 = 34
28 * 3 / 4 = 84 / 4 = 21
18 * 5 / 3 = 90 / 3 = 30
42 / 14 * 2 = 3 * 2 = 6
60 / 12 * 1 = 5 * 1 = 5
90 / 15 * 1 = 6 * 1 = 6