Sure thing, let's get straight to it. We start with 198 and we're going to multiply it by 84, which means adding 198 to itself 84 times.
Step 1: 0 + 198 = 198
Step 2: 198 + 198 = 396
Step 3: 396 + 198 = 594
Step 4: 594 + 198 = 792
Step 5: 792 + 198 = 990
Step 6: 990 + 198 = 1188
Step 7: 1188 + 198 = 1386
Step 8: 1386 + 198 = 1584
Step 9: 1584 + 198 = 1782
Step 10: 1782 + 198 = 1980
Step 11: 1980 + 198 = 2178
Step 12: 2178 + 198 = 2376
Step 13: 2376 + 198 = 2574
Step 14: 2574 + 198 = 2772
Step 15: 2772 + 198 = 2970
Step 16: 2970 + 198 = 3168
Step 17: 3168 + 198 = 3366
Step 18: 3366 + 198 = 3564
Step 19: 3564 + 198 = 3762
Step 20: 3762 + 198 = 3960
Step 21: 3960 + 198 = 4158
Step 22: 4158 + 198 = 4356
Step 23: 4356 + 198 = 4554
Step 24: 4554 + 198 = 4752
Step 25: 4752 + 198 = 4950
Step 26: 4950 + 198 = 5148
Step 27: 5148 + 198 = 5346
Step 28: 5346 + 198 = 5544
Step 29: 5544 + 198 = 5742
Step 30: 5742 + 198 = 5940
Step 31: 5940 + 198 = 6138
Step 32: 6138 + 198 = 6336
Step 33: 6336 + 198 = 6534
Step 34: 6534 + 198 = 6732
Step 35: 6732 + 198 = 6930
Step 36: 6930 + 198 = 7128
Step 37: 7128 + 198 = 7326
Step 38: 7326 + 198 = 7524
Step 39: 7524 + 198 = 7722
Step 40: 7722 + 198 = 7920
Step 41: 7920 + 198 = 8118
Step 42: 8118 + 198 = 8316
Step 43: 8316 + 198 = 8514
Step 44: 8514 + 198 = 8712
Step 45: 8712 + 198 = 8910
Step 46: 8910 + 198 = 9108
Step 47: 9108 + 198 = 9306
Step 48: 9306 + 198 = 9504
Step 49: 9504 + 198 = 9702
Step 50: 9702 + 198 = 9900
Step 51: 9900 + 198 = 10098
Step 52: 10098 + 198 = 10296
Step 53: 10296 + 198 = 10494
Step 54: 10494 + 198 = 10692
Step 55: 10692 + 198 = 10890
Step 56: 10890 + 198 = 11088
Step 57: 11088 + 198 = 11286
Step 58: 11286 + 198 = 11484
Step 59: 11484 + 198 = 11682
Step 60: 11682 + 198 = 11880
Step 61: 11880 + 198 = 12078
Step 62: 12078 + 198 = 12276
Step 63: 12276 + 198 = 12474
Step 64: 12474 + 198 = 12672
Step 65: 12672 + 198 = 12870
Step 66: 12870 + 198 = 13068
Step 67: 13068 + 198 = 13266
Step 68: 13266 + 198 = 13464
Step 69: 13464 + 198 = 13662
Step 70: 13662 + 198 = 13860
Step 71: 13860 + 198 = 14058
Step 72: 14058 + 198 = 14256
Step 73: 14256 + 198 = 14454
Step 74: 14454 + 198 = 14652
Step 75: 14652 + 198 = 14850
Step 76: 14850 + 198 = 15048
Step 77: 15048 + 198 = 15246
Step 78: 15246 + 198 = 15444
Step 79: 15444 + 198 = 15642
Step 80: 15642 + 198 = 15840
Step 81: 15840 + 198 = 16038
Step 82: 16038 + 198 = 16236
Step 83: 16236 + 198 = 16434
Step 84: 16434 + 198 = 16632

So, 198*84 = 16632