Let's get this math done. We have 55 and we're going to multiply it by 198. This is the same as taking 55 and adding it to itself 198 times.
Step 1: 0 + 55 = 55
Step 2: 55 + 55 = 110
Step 3: 110 + 55 = 165
Step 4: 165 + 55 = 220
Step 5: 220 + 55 = 275
Step 6: 275 + 55 = 330
Step 7: 330 + 55 = 385
Step 8: 385 + 55 = 440
Step 9: 440 + 55 = 495
Step 10: 495 + 55 = 550
Step 11: 550 + 55 = 605
Step 12: 605 + 55 = 660
Step 13: 660 + 55 = 715
Step 14: 715 + 55 = 770
Step 15: 770 + 55 = 825
Step 16: 825 + 55 = 880
Step 17: 880 + 55 = 935
Step 18: 935 + 55 = 990
Step 19: 990 + 55 = 1045
Step 20: 1045 + 55 = 1100
Step 21: 1100 + 55 = 1155
Step 22: 1155 + 55 = 1210
Step 23: 1210 + 55 = 1265
Step 24: 1265 + 55 = 1320
Step 25: 1320 + 55 = 1375
Step 26: 1375 + 55 = 1430
Step 27: 1430 + 55 = 1485
Step 28: 1485 + 55 = 1540
Step 29: 1540 + 55 = 1595
Step 30: 1595 + 55 = 1650
Step 31: 1650 + 55 = 1705
Step 32: 1705 + 55 = 1760
Step 33: 1760 + 55 = 1815
Step 34: 1815 + 55 = 1870
Step 35: 1870 + 55 = 1925
Step 36: 1925 + 55 = 1980
Step 37: 1980 + 55 = 2035
Step 38: 2035 + 55 = 2090
Step 39: 2090 + 55 = 2145
Step 40: 2145 + 55 = 2200
Step 41: 2200 + 55 = 2255
Step 42: 2255 + 55 = 2310
Step 43: 2310 + 55 = 2365
Step 44: 2365 + 55 = 2420
Step 45: 2420 + 55 = 2475
Step 46: 2475 + 55 = 2530
Step 47: 2530 + 55 = 2585
Step 48: 2585 + 55 = 2640
Step 49: 2640 + 55 = 2695
Step 50: 2695 + 55 = 2750
Step 51: 2750 + 55 = 2805
Step 52: 2805 + 55 = 2860
Step 53: 2860 + 55 = 2915
Step 54: 2915 + 55 = 2970
Step 55: 2970 + 55 = 3025
Step 56: 3025 + 55 = 3080
Step 57: 3080 + 55 = 3135
Step 58: 3135 + 55 = 3190
Step 59: 3190 + 55 = 3245
Step 60: 3245 + 55 = 3300
Step 61: 3300 + 55 = 3355
Step 62: 3355 + 55 = 3410
Step 63: 3410 + 55 = 3465
Step 64: 3465 + 55 = 3520
Step 65: 3520 + 55 = 3575
Step 66: 3575 + 55 = 3630
Step 67: 3630 + 55 = 3685
Step 68: 3685 + 55 = 3740
Step 69: 3740 + 55 = 3795
Step 70: 3795 + 55 = 3850
Step 71: 3850 + 55 = 3905
Step 72: 3905 + 55 = 3960
Step 73: 3960 + 55 = 4015
Step 74: 4015 + 55 = 4070
Step 75: 4070 + 55 = 4125
Step 76: 4125 + 55 = 4180
Step 77: 4180 + 55 = 4235
Step 78: 4235 + 55 = 4290
Step 79: 4290 + 55 = 4345
Step 80: 4345 + 55 = 4400
Step 81: 4400 + 55 = 4455
Step 82: 4455 + 55 = 4510
Step 83: 4510 + 55 = 4565
Step 84: 4565 + 55 = 4620
Step 85: 4620 + 55 = 4675
Step 86: 4675 + 55 = 4730
Step 87: 4730 + 55 = 4785
Step 88: 4785 + 55 = 4840
Step 89: 4840 + 55 = 4895
Step 90: 4895 + 55 = 4950
Step 91: 4950 + 55 = 5005
Step 92: 5005 + 55 = 5060
Step 93: 5060 + 55 = 5115
Step 94: 5115 + 55 = 5170
Step 95: 5170 + 55 = 5225
Step 96: 5225 + 55 = 5280
Step 97: 5280 + 55 = 5335
Step 98: 5335 + 55 = 5390
Step 99: 5390 + 55 = 5445
Step 100: 5445 + 55 = 5500
Step 101: 5500 + 55 = 5555
Step 102: 5555 + 55 = 5610
Step 103: 5610 + 55 = 5665
Step 104: 5665 + 55 = 5720
Step 105: 5720 + 55 = 5775
Step 106: 5775 + 55 = 5830
Step 107: 5830 + 55 = 5885
Step 108: 5885 + 55 = 5940
Step 109: 5940 + 55 = 5995
Step 110: 5995 + 55 = 6050
Step 111: 6050 + 55 = 6105
Step 112: 6105 + 55 = 6160
Step 113: 6160 + 55 = 6215
Step 114: 6215 + 55 = 6270
Step 115: 6270 + 55 = 6325
Step 116: 6325 + 55 = 6380
Step 117: 6380 + 55 = 6435
Step 118: 6435 + 55 = 6490
Step 119: 6490 + 55 = 6545
Step 120: 6545 + 55 = 6600
Step 121: 6600 + 55 = 6655
Step 122: 6655 + 55 = 6710
Step 123: 6710 + 55 = 6765
Step 124: 6765 + 55 = 6820
Step 125: 6820 + 55 = 6875
Step 126: 6875 + 55 = 6930
Step 127: 6930 + 55 = 6985
Step 128: 6985 + 55 = 7040
Step 129: 7040 + 55 = 7095
Step 130: 7095 + 55 = 7150
Step 131: 7150 + 55 = 7205
Step 132: 7205 + 55 = 7260
Step 133: 7260 + 55 = 7315
Step 134: 7315 + 55 = 7370
Step 135: 7370 + 55 = 7425
Step 136: 7425 + 55 = 7480
Step 137: 7480 + 55 = 7535
Step 138: 7535 + 55 = 7590
Step 139: 7590 + 55 = 7645
Step 140: 7645 + 55 = 7700
Step 141: 7700 + 55 = 7755
Step 142: 7755 + 55 = 7810
Step 143: 7810 + 55 = 7865
Step 144: 7865 + 55 = 7920
Step 145: 7920 + 55 = 7975
Step 146: 7975 + 55 = 8030
Step 147: 8030 + 55 = 8085
Step 148: 8085 + 55 = 8140
Step 149: 8140 + 55 = 8195
Step 150: 8195 + 55 = 8250
Step 151: 8250 + 55 = 8305
Step 152: 8305 + 55 = 8360
Step 153: 8360 + 55 = 8415
Step 154: 8415 + 55 = 8470
Step 155: 8470 + 55 = 8525
Step 156: 8525 + 55 = 8580
Step 157: 8580 + 55 = 8635
Step 158: 8635 + 55 = 8690
Step 159: 8690 + 55 = 8745
Step 160: 8745 + 55 = 8800
Step 161: 8800 + 55 = 8855
Step 162: 8855 + 55 = 8910
Step 163: 8910 + 55 = 8965
Step 164: 8965 + 55 = 9020
Step 165: 9020 + 55 = 9075
Step 166: 9075 + 55 = 9130
Step 167: 9130 + 55 = 9185
Step 168: 9185 + 55 = 9240
Step 169: 9240 + 55 = 9295
Step 170: 9295 + 55 = 9350
Step 171: 9350 + 55 = 9405
Step 172: 9405 + 55 = 9460
Step 173: 9460 + 55 = 9515
Step 174: 9515 + 55 = 9570
Step 175: 9570 + 55 = 9625
Step 176: 9625 + 55 = 9680
Step 177: 9680 + 55 = 9735
Step 178: 9735 + 55 = 9790
Step 179: 9790 + 55 = 9845
Step 180: 9845 + 55 = 9900
Step 181: 9900 + 55 = 9955
Step 182: 9955 + 55 = 10010
Step 183: 10010 + 55 = 10065
Step 184: 10065 + 55 = 10120
Step 185: 10120 + 55 = 10175
Step 186: 10175 + 55 = 10230
Step 187: 10230 + 55 = 10285
Step 188: 10285 + 55 = 10340
Step 189: 10340 + 55 = 10395
Step 190: 10395 + 55 = 10450
Step 191: 10450 + 55 = 10505
Step 192: 10505 + 55 = 10560
Step 193: 10560 + 55 = 10615
Step 194: 10615 + 55 = 10670
Step 195: 10670 + 55 = 10725
Step 196: 10725 + 55 = 10780
Step 197: 10780 + 55 = 10835
Step 198: 10835 + 55 = 10890

So, 55*198 = 10890