Sure thing, let's get straight to it. We start with 204 and we're going to multiply it by 257, which means adding 204 to itself 257 times.
Step 1: 0 + 204 = 204
Step 2: 204 + 204 = 408
Step 3: 408 + 204 = 612
Step 4: 612 + 204 = 816
Step 5: 816 + 204 = 1020
Step 6: 1020 + 204 = 1224
Step 7: 1224 + 204 = 1428
Step 8: 1428 + 204 = 1632
Step 9: 1632 + 204 = 1836
Step 10: 1836 + 204 = 2040
Step 11: 2040 + 204 = 2244
Step 12: 2244 + 204 = 2448
Step 13: 2448 + 204 = 2652
Step 14: 2652 + 204 = 2856
Step 15: 2856 + 204 = 3060
Step 16: 3060 + 204 = 3264
Step 17: 3264 + 204 = 3468
Step 18: 3468 + 204 = 3672
Step 19: 3672 + 204 = 3876
Step 20: 3876 + 204 = 4080
Step 21: 4080 + 204 = 4284
Step 22: 4284 + 204 = 4488
Step 23: 4488 + 204 = 4692
Step 24: 4692 + 204 = 4896
Step 25: 4896 + 204 = 5100
Step 26: 5100 + 204 = 5304
Step 27: 5304 + 204 = 5508
Step 28: 5508 + 204 = 5712
Step 29: 5712 + 204 = 5916
Step 30: 5916 + 204 = 6120
Step 31: 6120 + 204 = 6324
Step 32: 6324 + 204 = 6528
Step 33: 6528 + 204 = 6732
Step 34: 6732 + 204 = 6936
Step 35: 6936 + 204 = 7140
Step 36: 7140 + 204 = 7344
Step 37: 7344 + 204 = 7548
Step 38: 7548 + 204 = 7752
Step 39: 7752 + 204 = 7956
Step 40: 7956 + 204 = 8160
Step 41: 8160 + 204 = 8364
Step 42: 8364 + 204 = 8568
Step 43: 8568 + 204 = 8772
Step 44: 8772 + 204 = 8976
Step 45: 8976 + 204 = 9180
Step 46: 9180 + 204 = 9384
Step 47: 9384 + 204 = 9588
Step 48: 9588 + 204 = 9792
Step 49: 9792 + 204 = 9996
Step 50: 9996 + 204 = 10200
Step 51: 10200 + 204 = 10404
Step 52: 10404 + 204 = 10608
Step 53: 10608 + 204 = 10812
Step 54: 10812 + 204 = 11016
Step 55: 11016 + 204 = 11220
Step 56: 11220 + 204 = 11424
Step 57: 11424 + 204 = 11628
Step 58: 11628 + 204 = 11832
Step 59: 11832 + 204 = 12036
Step 60: 12036 + 204 = 12240
Step 61: 12240 + 204 = 12444
Step 62: 12444 + 204 = 12648
Step 63: 12648 + 204 = 12852
Step 64: 12852 + 204 = 13056
Step 65: 13056 + 204 = 13260
Step 66: 13260 + 204 = 13464
Step 67: 13464 + 204 = 13668
Step 68: 13668 + 204 = 13872
Step 69: 13872 + 204 = 14076
Step 70: 14076 + 204 = 14280
Step 71: 14280 + 204 = 14484
Step 72: 14484 + 204 = 14688
Step 73: 14688 + 204 = 14892
Step 74: 14892 + 204 = 15096
Step 75: 15096 + 204 = 15300
Step 76: 15300 + 204 = 15504
Step 77: 15504 + 204 = 15708
Step 78: 15708 + 204 = 15912
Step 79: 15912 + 204 = 16116
Step 80: 16116 + 204 = 16320
Step 81: 16320 + 204 = 16524
Step 82: 16524 + 204 = 16728
Step 83: 16728 + 204 = 16932
Step 84: 16932 + 204 = 17136
Step 85: 17136 + 204 = 17340
Step 86: 17340 + 204 = 17544
Step 87: 17544 + 204 = 17748
Step 88: 17748 + 204 = 17952
Step 89: 17952 + 204 = 18156
Step 90: 18156 + 204 = 18360
Step 91: 18360 + 204 = 18564
Step 92: 18564 + 204 = 18768
Step 93: 18768 + 204 = 18972
Step 94: 18972 + 204 = 19176
Step 95: 19176 + 204 = 19380
Step 96: 19380 + 204 = 19584
Step 97: 19584 + 204 = 19788
Step 98: 19788 + 204 = 19992
Step 99: 19992 + 204 = 20196
Step 100: 20196 + 204 = 20400
Step 101: 20400 + 204 = 20604
Step 102: 20604 + 204 = 20808
Step 103: 20808 + 204 = 21012
Step 104: 21012 + 204 = 21216
Step 105: 21216 + 204 = 21420
Step 106: 21420 + 204 = 21624
Step 107: 21624 + 204 = 21828
Step 108: 21828 + 204 = 22032
Step 109: 22032 + 204 = 22236
Step 110: 22236 + 204 = 22440
Step 111: 22440 + 204 = 22644
Step 112: 22644 + 204 = 22848
Step 113: 22848 + 204 = 23052
Step 114: 23052 + 204 = 23256
Step 115: 23256 + 204 = 23460
Step 116: 23460 + 204 = 23664
Step 117: 23664 + 204 = 23868
Step 118: 23868 + 204 = 24072
Step 119: 24072 + 204 = 24276
Step 120: 24276 + 204 = 24480
Step 121: 24480 + 204 = 24684
Step 122: 24684 + 204 = 24888
Step 123: 24888 + 204 = 25092
Step 124: 25092 + 204 = 25296
Step 125: 25296 + 204 = 25500
Step 126: 25500 + 204 = 25704
Step 127: 25704 + 204 = 25908
Step 128: 25908 + 204 = 26112
Step 129: 26112 + 204 = 26316
Step 130: 26316 + 204 = 26520
Step 131: 26520 + 204 = 26724
Step 132: 26724 + 204 = 26928
Step 133: 26928 + 204 = 27132
Step 134: 27132 + 204 = 27336
Step 135: 27336 + 204 = 27540
Step 136: 27540 + 204 = 27744
Step 137: 27744 + 204 = 27948
Step 138: 27948 + 204 = 28152
Step 139: 28152 + 204 = 28356
Step 140: 28356 + 204 = 28560
Step 141: 28560 + 204 = 28764
Step 142: 28764 + 204 = 28968
Step 143: 28968 + 204 = 29172
Step 144: 29172 + 204 = 29376
Step 145: 29376 + 204 = 29580
Step 146: 29580 + 204 = 29784
Step 147: 29784 + 204 = 29988
Step 148: 29988 + 204 = 30192
Step 149: 30192 + 204 = 30396
Step 150: 30396 + 204 = 30600
Step 151: 30600 + 204 = 30804
Step 152: 30804 + 204 = 31008
Step 153: 31008 + 204 = 31212
Step 154: 31212 + 204 = 31416
Step 155: 31416 + 204 = 31620
Step 156: 31620 + 204 = 31824
Step 157: 31824 + 204 = 32028
Step 158: 32028 + 204 = 32232
Step 159: 32232 + 204 = 32436
Step 160: 32436 + 204 = 32640
Step 161: 32640 + 204 = 32844
Step 162: 32844 + 204 = 33048
Step 163: 33048 + 204 = 33252
Step 164: 33252 + 204 = 33456
Step 165: 33456 + 204 = 33660
Step 166: 33660 + 204 = 33864
Step 167: 33864 + 204 = 34068
Step 168: 34068 + 204 = 34272
Step 169: 34272 + 204 = 34476
Step 170: 34476 + 204 = 34680
Step 171: 34680 + 204 = 34884
Step 172: 34884 + 204 = 35088
Step 173: 35088 + 204 = 35292
Step 174: 35292 + 204 = 35496
Step 175: 35496 + 204 = 35700
Step 176: 35700 + 204 = 35904
Step 177: 35904 + 204 = 36108
Step 178: 36108 + 204 = 36312
Step 179: 36312 + 204 = 36516
Step 180: 36516 + 204 = 36720
Step 181: 36720 + 204 = 36924
Step 182: 36924 + 204 = 37128
Step 183: 37128 + 204 = 37332
Step 184: 37332 + 204 = 37536
Step 185: 37536 + 204 = 37740
Step 186: 37740 + 204 = 37944
Step 187: 37944 + 204 = 38148
Step 188: 38148 + 204 = 38352
Step 189: 38352 + 204 = 38556
Step 190: 38556 + 204 = 38760
Step 191: 38760 + 204 = 38964
Step 192: 38964 + 204 = 39168
Step 193: 39168 + 204 = 39372
Step 194: 39372 + 204 = 39576
Step 195: 39576 + 204 = 39780
Step 196: 39780 + 204 = 39984
Step 197: 39984 + 204 = 40188
Step 198: 40188 + 204 = 40392
Step 199: 40392 + 204 = 40596
Step 200: 40596 + 204 = 40800
Step 201: 40800 + 204 = 41004
Step 202: 41004 + 204 = 41208
Step 203: 41208 + 204 = 41412
Step 204: 41412 + 204 = 41616
Step 205: 41616 + 204 = 41820
Step 206: 41820 + 204 = 42024
Step 207: 42024 + 204 = 42228
Step 208: 42228 + 204 = 42432
Step 209: 42432 + 204 = 42636
Step 210: 42636 + 204 = 42840
Step 211: 42840 + 204 = 43044
Step 212: 43044 + 204 = 43248
Step 213: 43248 + 204 = 43452
Step 214: 43452 + 204 = 43656
Step 215: 43656 + 204 = 43860
Step 216: 43860 + 204 = 44064
Step 217: 44064 + 204 = 44268
Step 218: 44268 + 204 = 44472
Step 219: 44472 + 204 = 44676
Step 220: 44676 + 204 = 44880
Step 221: 44880 + 204 = 45084
Step 222: 45084 + 204 = 45288
Step 223: 45288 + 204 = 45492
Step 224: 45492 + 204 = 45696
Step 225: 45696 + 204 = 45900
Step 226: 45900 + 204 = 46104
Step 227: 46104 + 204 = 46308
Step 228: 46308 + 204 = 46512
Step 229: 46512 + 204 = 46716
Step 230: 46716 + 204 = 46920
Step 231: 46920 + 204 = 47124
Step 232: 47124 + 204 = 47328
Step 233: 47328 + 204 = 47532
Step 234: 47532 + 204 = 47736
Step 235: 47736 + 204 = 47940
Step 236: 47940 + 204 = 48144
Step 237: 48144 + 204 = 48348
Step 238: 48348 + 204 = 48552
Step 239: 48552 + 204 = 48756
Step 240: 48756 + 204 = 48960
Step 241: 48960 + 204 = 49164
Step 242: 49164 + 204 = 49368
Step 243: 49368 + 204 = 49572
Step 244: 49572 + 204 = 49776
Step 245: 49776 + 204 = 49980
Step 246: 49980 + 204 = 50184
Step 247: 50184 + 204 = 50388
Step 248: 50388 + 204 = 50592
Step 249: 50592 + 204 = 50796
Step 250: 50796 + 204 = 51000
Step 251: 51000 + 204 = 51204
Step 252: 51204 + 204 = 51408
Step 253: 51408 + 204 = 51612
Step 254: 51612 + 204 = 51816
Step 255: 51816 + 204 = 52020
Step 256: 52020 + 204 = 52224
Step 257: 52224 + 204 = 52428

So, 204*257 = 52428