1 + 2 = 3 75 + 22 = 97 5 * 98 = 490 555 - 44 = 511 0 + 1 = 1 75 + 11 = 86 5 * 98 = 490 555 - 44 = 511 1 - 6098 = -6097 3 + 8945 = 8948