Alright, let's solve this math problem step by step. First, we have the number 617. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 255. So, we're going to take the number 617 and add it to itself 255 times.
Step 1: 0 + 617 = 617
Step 2: 617 + 617 = 1234
Step 3: 1234 + 617 = 1851
Step 4: 1851 + 617 = 2468
Step 5: 2468 + 617 = 3085
Step 6: 3085 + 617 = 3702
Step 7: 3702 + 617 = 4319
Step 8: 4319 + 617 = 4936
Step 9: 4936 + 617 = 5553
Step 10: 5553 + 617 = 6170
Step 11: 6170 + 617 = 6787
Step 12: 6787 + 617 = 7404
Step 13: 7404 + 617 = 8021
Step 14: 8021 + 617 = 8638
Step 15: 8638 + 617 = 9255
Step 16: 9255 + 617 = 9872
Step 17: 9872 + 617 = 10489
Step 18: 10489 + 617 = 11106
Step 19: 11106 + 617 = 11723
Step 20: 11723 + 617 = 12340
Step 21: 12340 + 617 = 12957
Step 22: 12957 + 617 = 13574
Step 23: 13574 + 617 = 14191
Step 24: 14191 + 617 = 14808
Step 25: 14808 + 617 = 15425
Step 26: 15425 + 617 = 16042
Step 27: 16042 + 617 = 16659
Step 28: 16659 + 617 = 17276
Step 29: 17276 + 617 = 17893
Step 30: 17893 + 617 = 18510
Step 31: 18510 + 617 = 19127
Step 32: 19127 + 617 = 19744
Step 33: 19744 + 617 = 20361
Step 34: 20361 + 617 = 20978
Step 35: 20978 + 617 = 21595
Step 36: 21595 + 617 = 22212
Step 37: 22212 + 617 = 22829
Step 38: 22829 + 617 = 23446
Step 39: 23446 + 617 = 24063
Step 40: 24063 + 617 = 24680
Step 41: 24680 + 617 = 25297
Step 42: 25297 + 617 = 25914
Step 43: 25914 + 617 = 26531
Step 44: 26531 + 617 = 27148
Step 45: 27148 + 617 = 27765
Step 46: 27765 + 617 = 28382
Step 47: 28382 + 617 = 28999
Step 48: 28999 + 617 = 29616
Step 49: 29616 + 617 = 30233
Step 50: 30233 + 617 = 30850
Step 51: 30850 + 617 = 31467
Step 52: 31467 + 617 = 32084
Step 53: 32084 + 617 = 32701
Step 54: 32701 + 617 = 33318
Step 55: 33318 + 617 = 33935
Step 56: 33935 + 617 = 34552
Step 57: 34552 + 617 = 35169
Step 58: 35169 + 617 = 35786
Step 59: 35786 + 617 = 36403
Step 60: 36403 + 617 = 37020
Step 61: 37020 + 617 = 37637
Step 62: 37637 + 617 = 38254
Step 63: 38254 + 617 = 38871
Step 64: 38871 + 617 = 39488
Step 65: 39488 + 617 = 40105
Step 66: 40105 + 617 = 40722
Step 67: 40722 + 617 = 41339
Step 68: 41339 + 617 = 41956
Step 69: 41956 + 617 = 42573
Step 70: 42573 + 617 = 43190
Step 71: 43190 + 617 = 43807
Step 72: 43807 + 617 = 44424
Step 73: 44424 + 617 = 45041
Step 74: 45041 + 617 = 45658
Step 75: 45658 + 617 = 46275
Step 76: 46275 + 617 = 46892
Step 77: 46892 + 617 = 47509
Step 78: 47509 + 617 = 48126
Step 79: 48126 + 617 = 48743
Step 80: 48743 + 617 = 49360
Step 81: 49360 + 617 = 49977
Step 82: 49977 + 617 = 50594
Step 83: 50594 + 617 = 51211
Step 84: 51211 + 617 = 51828
Step 85: 51828 + 617 = 52445
Step 86: 52445 + 617 = 53062
Step 87: 53062 + 617 = 53679
Step 88: 53679 + 617 = 54296
Step 89: 54296 + 617 = 54913
Step 90: 54913 + 617 = 55530
Step 91: 55530 + 617 = 56147
Step 92: 56147 + 617 = 56764
Step 93: 56764 + 617 = 57381
Step 94: 57381 + 617 = 57998
Step 95: 57998 + 617 = 58615
Step 96: 58615 + 617 = 59232
Step 97: 59232 + 617 = 59849
Step 98: 59849 + 617 = 60466
Step 99: 60466 + 617 = 61083
Step 100: 61083 + 617 = 61700
Step 101: 61700 + 617 = 62317
Step 102: 62317 + 617 = 62934
Step 103: 62934 + 617 = 63551
Step 104: 63551 + 617 = 64168
Step 105: 64168 + 617 = 64785
Step 106: 64785 + 617 = 65402
Step 107: 65402 + 617 = 66019
Step 108: 66019 + 617 = 66636
Step 109: 66636 + 617 = 67253
Step 110: 67253 + 617 = 67870
Step 111: 67870 + 617 = 68487
Step 112: 68487 + 617 = 69104
Step 113: 69104 + 617 = 69721
Step 114: 69721 + 617 = 70338
Step 115: 70338 + 617 = 70955
Step 116: 70955 + 617 = 71572
Step 117: 71572 + 617 = 72189
Step 118: 72189 + 617 = 72806
Step 119: 72806 + 617 = 73423
Step 120: 73423 + 617 = 74040
Step 121: 74040 + 617 = 74657
Step 122: 74657 + 617 = 75274
Step 123: 75274 + 617 = 75891
Step 124: 75891 + 617 = 76508
Step 125: 76508 + 617 = 77125
Step 126: 77125 + 617 = 77742
Step 127: 77742 + 617 = 78359
Step 128: 78359 + 617 = 78976
Step 129: 78976 + 617 = 79593
Step 130: 79593 + 617 = 80210
Step 131: 80210 + 617 = 80827
Step 132: 80827 + 617 = 81444
Step 133: 81444 + 617 = 82061
Step 134: 82061 + 617 = 82678
Step 135: 82678 + 617 = 83295
Step 136: 83295 + 617 = 83912
Step 137: 83912 + 617 = 84529
Step 138: 84529 + 617 = 85146
Step 139: 85146 + 617 = 85763
Step 140: 85763 + 617 = 86380
Step 141: 86380 + 617 = 86997
Step 142: 86997 + 617 = 87614
Step 143: 87614 + 617 = 88231
Step 144: 88231 + 617 = 88848
Step 145: 88848 + 617 = 89465
Step 146: 89465 + 617 = 90082
Step 147: 90082 + 617 = 90699
Step 148: 90699 + 617 = 91316
Step 149: 91316 + 617 = 91933
Step 150: 91933 + 617 = 92550
Step 151: 92550 + 617 = 93167
Step 152: 93167 + 617 = 93784
Step 153: 93784 + 617 = 94401
Step 154: 94401 + 617 = 95018
Step 155: 95018 + 617 = 95635
Step 156: 95635 + 617 = 96252
Step 157: 96252 + 617 = 96869
Step 158: 96869 + 617 = 97486
Step 159: 97486 + 617 = 98103
Step 160: 98103 + 617 = 98720
Step 161: 98720 + 617 = 99337
Step 162: 99337 + 617 = 99954
Step 163: 99954 + 617 = 100571
Step 164: 100571 + 617 = 101188
Step 165: 101188 + 617 = 101805
Step 166: 101805 + 617 = 102422
Step 167: 102422 + 617 = 103039
Step 168: 103039 + 617 = 103656
Step 169: 103656 + 617 = 104273
Step 170: 104273 + 617 = 104890
Step 171: 104890 + 617 = 105507
Step 172: 105507 + 617 = 106124
Step 173: 106124 + 617 = 106741
Step 174: 106741 + 617 = 107358
Step 175: 107358 + 617 = 107975
Step 176: 107975 + 617 = 108592
Step 177: 108592 + 617 = 109209
Step 178: 109209 + 617 = 109826
Step 179: 109826 + 617 = 110443
Step 180: 110443 + 617 = 111060
Step 181: 111060 + 617 = 111677
Step 182: 111677 + 617 = 112294
Step 183: 112294 + 617 = 112911
Step 184: 112911 + 617 = 113528
Step 185: 113528 + 617 = 114145
Step 186: 114145 + 617 = 114762
Step 187: 114762 + 617 = 115379
Step 188: 115379 + 617 = 115996
Step 189: 115996 + 617 = 116613
Step 190: 116613 + 617 = 117230
Step 191: 117230 + 617 = 117847
Step 192: 117847 + 617 = 118464
Step 193: 118464 + 617 = 119081
Step 194: 119081 + 617 = 119698
Step 195: 119698 + 617 = 120315
Step 196: 120315 + 617 = 120932
Step 197: 120932 + 617 = 121549
Step 198: 121549 + 617 = 122166
Step 199: 122166 + 617 = 122783
Step 200: 122783 + 617 = 123400
Step 201: 123400 + 617 = 124017
Step 202: 124017 + 617 = 124634
Step 203: 124634 + 617 = 125251
Step 204: 125251 + 617 = 125868
Step 205: 125868 + 617 = 126485
Step 206: 126485 + 617 = 127102
Step 207: 127102 + 617 = 127719
Step 208: 127719 + 617 = 128336
Step 209: 128336 + 617 = 128953
Step 210: 128953 + 617 = 129570
Step 211: 129570 + 617 = 130187
Step 212: 130187 + 617 = 130804
Step 213: 130804 + 617 = 131421
Step 214: 131421 + 617 = 132038
Step 215: 132038 + 617 = 132655
Step 216: 132655 + 617 = 133272
Step 217: 133272 + 617 = 133889
Step 218: 133889 + 617 = 134506
Step 219: 134506 + 617 = 135123
Step 220: 135123 + 617 = 135740
Step 221: 135740 + 617 = 136357
Step 222: 136357 + 617 = 136974
Step 223: 136974 + 617 = 137591
Step 224: 137591 + 617 = 138208
Step 225: 138208 + 617 = 138825
Step 226: 138825 + 617 = 139442
Step 227: 139442 + 617 = 140059
Step 228: 140059 + 617 = 140676
Step 229: 140676 + 617 = 141293
Step 230: 141293 + 617 = 141910
Step 231: 141910 + 617 = 142527
Step 232: 142527 + 617 = 143144
Step 233: 143144 + 617 = 143761
Step 234: 143761 + 617 = 144378
Step 235: 144378 + 617 = 144995
Step 236: 144995 + 617 = 145612
Step 237: 145612 + 617 = 146229
Step 238: 146229 + 617 = 146846
Step 239: 146846 + 617 = 147463
Step 240: 147463 + 617 = 148080
Step 241: 148080 + 617 = 148697
Step 242: 148697 + 617 = 149314
Step 243: 149314 + 617 = 149931
Step 244: 149931 + 617 = 150548
Step 245: 150548 + 617 = 151165
Step 246: 151165 + 617 = 151782
Step 247: 151782 + 617 = 152399
Step 248: 152399 + 617 = 153016
Step 249: 153016 + 617 = 153633
Step 250: 153633 + 617 = 154250
Step 251: 154250 + 617 = 154867
Step 252: 154867 + 617 = 155484
Step 253: 155484 + 617 = 156101
Step 254: 156101 + 617 = 156718
Step 255: 156718 + 617 = 157335

So, 617*255 = 157335