OK, let's work through this together. We're starting with 255 and we're going to multiply it by 205, which means we add 255 to itself 205 times.
Step 1: 0 + 255 = 255
Step 2: 255 + 255 = 510
Step 3: 510 + 255 = 765
Step 4: 765 + 255 = 1020
Step 5: 1020 + 255 = 1275
Step 6: 1275 + 255 = 1530
Step 7: 1530 + 255 = 1785
Step 8: 1785 + 255 = 2040
Step 9: 2040 + 255 = 2295
Step 10: 2295 + 255 = 2550
Step 11: 2550 + 255 = 2805
Step 12: 2805 + 255 = 3060
Step 13: 3060 + 255 = 3315
Step 14: 3315 + 255 = 3570
Step 15: 3570 + 255 = 3825
Step 16: 3825 + 255 = 4080
Step 17: 4080 + 255 = 4335
Step 18: 4335 + 255 = 4590
Step 19: 4590 + 255 = 4845
Step 20: 4845 + 255 = 5100
Step 21: 5100 + 255 = 5355
Step 22: 5355 + 255 = 5610
Step 23: 5610 + 255 = 5865
Step 24: 5865 + 255 = 6120
Step 25: 6120 + 255 = 6375
Step 26: 6375 + 255 = 6630
Step 27: 6630 + 255 = 6885
Step 28: 6885 + 255 = 7140
Step 29: 7140 + 255 = 7395
Step 30: 7395 + 255 = 7650
Step 31: 7650 + 255 = 7905
Step 32: 7905 + 255 = 8160
Step 33: 8160 + 255 = 8415
Step 34: 8415 + 255 = 8670
Step 35: 8670 + 255 = 8925
Step 36: 8925 + 255 = 9180
Step 37: 9180 + 255 = 9435
Step 38: 9435 + 255 = 9690
Step 39: 9690 + 255 = 9945
Step 40: 9945 + 255 = 10200
Step 41: 10200 + 255 = 10455
Step 42: 10455 + 255 = 10710
Step 43: 10710 + 255 = 10965
Step 44: 10965 + 255 = 11220
Step 45: 11220 + 255 = 11475
Step 46: 11475 + 255 = 11730
Step 47: 11730 + 255 = 11985
Step 48: 11985 + 255 = 12240
Step 49: 12240 + 255 = 12495
Step 50: 12495 + 255 = 12750
Step 51: 12750 + 255 = 13005
Step 52: 13005 + 255 = 13260
Step 53: 13260 + 255 = 13515
Step 54: 13515 + 255 = 13770
Step 55: 13770 + 255 = 14025
Step 56: 14025 + 255 = 14280
Step 57: 14280 + 255 = 14535
Step 58: 14535 + 255 = 14790
Step 59: 14790 + 255 = 15045
Step 60: 15045 + 255 = 15300
Step 61: 15300 + 255 = 15555
Step 62: 15555 + 255 = 15810
Step 63: 15810 + 255 = 16065
Step 64: 16065 + 255 = 16320
Step 65: 16320 + 255 = 16575
Step 66: 16575 + 255 = 16830
Step 67: 16830 + 255 = 17085
Step 68: 17085 + 255 = 17340
Step 69: 17340 + 255 = 17595
Step 70: 17595 + 255 = 17850
Step 71: 17850 + 255 = 18105
Step 72: 18105 + 255 = 18360
Step 73: 18360 + 255 = 18615
Step 74: 18615 + 255 = 18870
Step 75: 18870 + 255 = 19125
Step 76: 19125 + 255 = 19380
Step 77: 19380 + 255 = 19635
Step 78: 19635 + 255 = 19890
Step 79: 19890 + 255 = 20145
Step 80: 20145 + 255 = 20400
Step 81: 20400 + 255 = 20655
Step 82: 20655 + 255 = 20910
Step 83: 20910 + 255 = 21165
Step 84: 21165 + 255 = 21420
Step 85: 21420 + 255 = 21675
Step 86: 21675 + 255 = 21930
Step 87: 21930 + 255 = 22185
Step 88: 22185 + 255 = 22440
Step 89: 22440 + 255 = 22695
Step 90: 22695 + 255 = 22950
Step 91: 22950 + 255 = 23205
Step 92: 23205 + 255 = 23460
Step 93: 23460 + 255 = 23715
Step 94: 23715 + 255 = 23970
Step 95: 23970 + 255 = 24225
Step 96: 24225 + 255 = 24480
Step 97: 24480 + 255 = 24735
Step 98: 24735 + 255 = 24990
Step 99: 24990 + 255 = 25245
Step 100: 25245 + 255 = 25500
Step 101: 25500 + 255 = 25755
Step 102: 25755 + 255 = 26010
Step 103: 26010 + 255 = 26265
Step 104: 26265 + 255 = 26520
Step 105: 26520 + 255 = 26775
Step 106: 26775 + 255 = 27030
Step 107: 27030 + 255 = 27285
Step 108: 27285 + 255 = 27540
Step 109: 27540 + 255 = 27795
Step 110: 27795 + 255 = 28050
Step 111: 28050 + 255 = 28305
Step 112: 28305 + 255 = 28560
Step 113: 28560 + 255 = 28815
Step 114: 28815 + 255 = 29070
Step 115: 29070 + 255 = 29325
Step 116: 29325 + 255 = 29580
Step 117: 29580 + 255 = 29835
Step 118: 29835 + 255 = 30090
Step 119: 30090 + 255 = 30345
Step 120: 30345 + 255 = 30600
Step 121: 30600 + 255 = 30855
Step 122: 30855 + 255 = 31110
Step 123: 31110 + 255 = 31365
Step 124: 31365 + 255 = 31620
Step 125: 31620 + 255 = 31875
Step 126: 31875 + 255 = 32130
Step 127: 32130 + 255 = 32385
Step 128: 32385 + 255 = 32640
Step 129: 32640 + 255 = 32895
Step 130: 32895 + 255 = 33150
Step 131: 33150 + 255 = 33405
Step 132: 33405 + 255 = 33660
Step 133: 33660 + 255 = 33915
Step 134: 33915 + 255 = 34170
Step 135: 34170 + 255 = 34425
Step 136: 34425 + 255 = 34680
Step 137: 34680 + 255 = 34935
Step 138: 34935 + 255 = 35190
Step 139: 35190 + 255 = 35445
Step 140: 35445 + 255 = 35700
Step 141: 35700 + 255 = 35955
Step 142: 35955 + 255 = 36210
Step 143: 36210 + 255 = 36465
Step 144: 36465 + 255 = 36720
Step 145: 36720 + 255 = 36975
Step 146: 36975 + 255 = 37230
Step 147: 37230 + 255 = 37485
Step 148: 37485 + 255 = 37740
Step 149: 37740 + 255 = 37995
Step 150: 37995 + 255 = 38250
Step 151: 38250 + 255 = 38505
Step 152: 38505 + 255 = 38760
Step 153: 38760 + 255 = 39015
Step 154: 39015 + 255 = 39270
Step 155: 39270 + 255 = 39525
Step 156: 39525 + 255 = 39780
Step 157: 39780 + 255 = 40035
Step 158: 40035 + 255 = 40290
Step 159: 40290 + 255 = 40545
Step 160: 40545 + 255 = 40800
Step 161: 40800 + 255 = 41055
Step 162: 41055 + 255 = 41310
Step 163: 41310 + 255 = 41565
Step 164: 41565 + 255 = 41820
Step 165: 41820 + 255 = 42075
Step 166: 42075 + 255 = 42330
Step 167: 42330 + 255 = 42585
Step 168: 42585 + 255 = 42840
Step 169: 42840 + 255 = 43095
Step 170: 43095 + 255 = 43350
Step 171: 43350 + 255 = 43605
Step 172: 43605 + 255 = 43860
Step 173: 43860 + 255 = 44115
Step 174: 44115 + 255 = 44370
Step 175: 44370 + 255 = 44625
Step 176: 44625 + 255 = 44880
Step 177: 44880 + 255 = 45135
Step 178: 45135 + 255 = 45390
Step 179: 45390 + 255 = 45645
Step 180: 45645 + 255 = 45900
Step 181: 45900 + 255 = 46155
Step 182: 46155 + 255 = 46410
Step 183: 46410 + 255 = 46665
Step 184: 46665 + 255 = 46920
Step 185: 46920 + 255 = 47175
Step 186: 47175 + 255 = 47430
Step 187: 47430 + 255 = 47685
Step 188: 47685 + 255 = 47940
Step 189: 47940 + 255 = 48195
Step 190: 48195 + 255 = 48450
Step 191: 48450 + 255 = 48705
Step 192: 48705 + 255 = 48960
Step 193: 48960 + 255 = 49215
Step 194: 49215 + 255 = 49470
Step 195: 49470 + 255 = 49725
Step 196: 49725 + 255 = 49980
Step 197: 49980 + 255 = 50235
Step 198: 50235 + 255 = 50490
Step 199: 50490 + 255 = 50745
Step 200: 50745 + 255 = 51000
Step 201: 51000 + 255 = 51255
Step 202: 51255 + 255 = 51510
Step 203: 51510 + 255 = 51765
Step 204: 51765 + 255 = 52020
Step 205: 52020 + 255 = 52275

So, 255*205 = 52275