OK, let's work through this together. We're starting with 106 and we're going to multiply it by 87, which means we add 106 to itself 87 times.
Step 1: 0 + 106 = 106
Step 2: 106 + 106 = 212
Step 3: 212 + 106 = 318
Step 4: 318 + 106 = 424
Step 5: 424 + 106 = 530
Step 6: 530 + 106 = 636
Step 7: 636 + 106 = 742
Step 8: 742 + 106 = 848
Step 9: 848 + 106 = 954
Step 10: 954 + 106 = 1060
Step 11: 1060 + 106 = 1166
Step 12: 1166 + 106 = 1272
Step 13: 1272 + 106 = 1378
Step 14: 1378 + 106 = 1484
Step 15: 1484 + 106 = 1590
Step 16: 1590 + 106 = 1696
Step 17: 1696 + 106 = 1802
Step 18: 1802 + 106 = 1908
Step 19: 1908 + 106 = 2014
Step 20: 2014 + 106 = 2120
Step 21: 2120 + 106 = 2226
Step 22: 2226 + 106 = 2332
Step 23: 2332 + 106 = 2438
Step 24: 2438 + 106 = 2544
Step 25: 2544 + 106 = 2650
Step 26: 2650 + 106 = 2756
Step 27: 2756 + 106 = 2862
Step 28: 2862 + 106 = 2968
Step 29: 2968 + 106 = 3074
Step 30: 3074 + 106 = 3180
Step 31: 3180 + 106 = 3286
Step 32: 3286 + 106 = 3392
Step 33: 3392 + 106 = 3498
Step 34: 3498 + 106 = 3604
Step 35: 3604 + 106 = 3710
Step 36: 3710 + 106 = 3816
Step 37: 3816 + 106 = 3922
Step 38: 3922 + 106 = 4028
Step 39: 4028 + 106 = 4134
Step 40: 4134 + 106 = 4240
Step 41: 4240 + 106 = 4346
Step 42: 4346 + 106 = 4452
Step 43: 4452 + 106 = 4558
Step 44: 4558 + 106 = 4664
Step 45: 4664 + 106 = 4770
Step 46: 4770 + 106 = 4876
Step 47: 4876 + 106 = 4982
Step 48: 4982 + 106 = 5088
Step 49: 5088 + 106 = 5194
Step 50: 5194 + 106 = 5300
Step 51: 5300 + 106 = 5406
Step 52: 5406 + 106 = 5512
Step 53: 5512 + 106 = 5618
Step 54: 5618 + 106 = 5724
Step 55: 5724 + 106 = 5830
Step 56: 5830 + 106 = 5936
Step 57: 5936 + 106 = 6042
Step 58: 6042 + 106 = 6148
Step 59: 6148 + 106 = 6254
Step 60: 6254 + 106 = 6360
Step 61: 6360 + 106 = 6466
Step 62: 6466 + 106 = 6572
Step 63: 6572 + 106 = 6678
Step 64: 6678 + 106 = 6784
Step 65: 6784 + 106 = 6890
Step 66: 6890 + 106 = 6996
Step 67: 6996 + 106 = 7102
Step 68: 7102 + 106 = 7208
Step 69: 7208 + 106 = 7314
Step 70: 7314 + 106 = 7420
Step 71: 7420 + 106 = 7526
Step 72: 7526 + 106 = 7632
Step 73: 7632 + 106 = 7738
Step 74: 7738 + 106 = 7844
Step 75: 7844 + 106 = 7950
Step 76: 7950 + 106 = 8056
Step 77: 8056 + 106 = 8162
Step 78: 8162 + 106 = 8268
Step 79: 8268 + 106 = 8374
Step 80: 8374 + 106 = 8480
Step 81: 8480 + 106 = 8586
Step 82: 8586 + 106 = 8692
Step 83: 8692 + 106 = 8798
Step 84: 8798 + 106 = 8904
Step 85: 8904 + 106 = 9010
Step 86: 9010 + 106 = 9116
Step 87: 9116 + 106 = 9222

So, 106*87 = 9222