1 + 4 = 58 + 8 = 165 x 16 = 8075 + 80 = 155155 x 8 = 1240
8 + 75 = 838 - 1 = 783 - 8 = 7575 - 4 = 717 + 71 = 78
4 + 8 = 1212 - 8 = 41 + 4 = 55 x 75 = 3758 + 375 = 383