Sure thing, let's get straight to it. We start with 415 and we're going to multiply it by 491, which means adding 415 to itself 491 times.
Step 1: 0 + 415 = 415
Step 2: 415 + 415 = 830
Step 3: 830 + 415 = 1245
Step 4: 1245 + 415 = 1660
Step 5: 1660 + 415 = 2075
Step 6: 2075 + 415 = 2490
Step 7: 2490 + 415 = 2905
Step 8: 2905 + 415 = 3320
Step 9: 3320 + 415 = 3735
Step 10: 3735 + 415 = 4150
Step 11: 4150 + 415 = 4565
Step 12: 4565 + 415 = 4980
Step 13: 4980 + 415 = 5395
Step 14: 5395 + 415 = 5810
Step 15: 5810 + 415 = 6225
Step 16: 6225 + 415 = 6640
Step 17: 6640 + 415 = 7055
Step 18: 7055 + 415 = 7470
Step 19: 7470 + 415 = 7885
Step 20: 7885 + 415 = 8300
Step 21: 8300 + 415 = 8715
Step 22: 8715 + 415 = 9130
Step 23: 9130 + 415 = 9545
Step 24: 9545 + 415 = 9960
Step 25: 9960 + 415 = 10375
Step 26: 10375 + 415 = 10790
Step 27: 10790 + 415 = 11205
Step 28: 11205 + 415 = 11620
Step 29: 11620 + 415 = 12035
Step 30: 12035 + 415 = 12450
Step 31: 12450 + 415 = 12865
Step 32: 12865 + 415 = 13280
Step 33: 13280 + 415 = 13695
Step 34: 13695 + 415 = 14110
Step 35: 14110 + 415 = 14525
Step 36: 14525 + 415 = 14940
Step 37: 14940 + 415 = 15355
Step 38: 15355 + 415 = 15770
Step 39: 15770 + 415 = 16185
Step 40: 16185 + 415 = 16600
Step 41: 16600 + 415 = 17015
Step 42: 17015 + 415 = 17430
Step 43: 17430 + 415 = 17845
Step 44: 17845 + 415 = 18260
Step 45: 18260 + 415 = 18675
Step 46: 18675 + 415 = 19090
Step 47: 19090 + 415 = 19505
Step 48: 19505 + 415 = 19920
Step 49: 19920 + 415 = 20335
Step 50: 20335 + 415 = 20750
Step 51: 20750 + 415 = 21165
Step 52: 21165 + 415 = 21580
Step 53: 21580 + 415 = 21995
Step 54: 21995 + 415 = 22410
Step 55: 22410 + 415 = 22825
Step 56: 22825 + 415 = 23240
Step 57: 23240 + 415 = 23655
Step 58: 23655 + 415 = 24070
Step 59: 24070 + 415 = 24485
Step 60: 24485 + 415 = 24900
Step 61: 24900 + 415 = 25315
Step 62: 25315 + 415 = 25730
Step 63: 25730 + 415 = 26145
Step 64: 26145 + 415 = 26560
Step 65: 26560 + 415 = 26975
Step 66: 26975 + 415 = 27390
Step 67: 27390 + 415 = 27805
Step 68: 27805 + 415 = 28220
Step 69: 28220 + 415 = 28635
Step 70: 28635 + 415 = 29050
Step 71: 29050 + 415 = 29465
Step 72: 29465 + 415 = 29880
Step 73: 29880 + 415 = 30295
Step 74: 30295 + 415 = 30710
Step 75: 30710 + 415 = 31125
Step 76: 31125 + 415 = 31540
Step 77: 31540 + 415 = 31955
Step 78: 31955 + 415 = 32370
Step 79: 32370 + 415 = 32785
Step 80: 32785 + 415 = 33200
Step 81: 33200 + 415 = 33615
Step 82: 33615 + 415 = 34030
Step 83: 34030 + 415 = 34445
Step 84: 34445 + 415 = 34860
Step 85: 34860 + 415 = 35275
Step 86: 35275 + 415 = 35690
Step 87: 35690 + 415 = 36105
Step 88: 36105 + 415 = 36520
Step 89: 36520 + 415 = 36935
Step 90: 36935 + 415 = 37350
Step 91: 37350 + 415 = 37765
Step 92: 37765 + 415 = 38180
Step 93: 38180 + 415 = 38595
Step 94: 38595 + 415 = 39010
Step 95: 39010 + 415 = 39425
Step 96: 39425 + 415 = 39840
Step 97: 39840 + 415 = 40255
Step 98: 40255 + 415 = 40670
Step 99: 40670 + 415 = 41085
Step 100: 41085 + 415 = 41500
Step 101: 41500 + 415 = 41915
Step 102: 41915 + 415 = 42330
Step 103: 42330 + 415 = 42745
Step 104: 42745 + 415 = 43160
Step 105: 43160 + 415 = 43575
Step 106: 43575 + 415 = 43990
Step 107: 43990 + 415 = 44405
Step 108: 44405 + 415 = 44820
Step 109: 44820 + 415 = 45235
Step 110: 45235 + 415 = 45650
Step 111: 45650 + 415 = 46065
Step 112: 46065 + 415 = 46480
Step 113: 46480 + 415 = 46895
Step 114: 46895 + 415 = 47310
Step 115: 47310 + 415 = 47725
Step 116: 47725 + 415 = 48140
Step 117: 48140 + 415 = 48555
Step 118: 48555 + 415 = 48970
Step 119: 48970 + 415 = 49385
Step 120: 49385 + 415 = 49800
Step 121: 49800 + 415 = 50215
Step 122: 50215 + 415 = 50630
Step 123: 50630 + 415 = 51045
Step 124: 51045 + 415 = 51460
Step 125: 51460 + 415 = 51875
Step 126: 51875 + 415 = 52290
Step 127: 52290 + 415 = 52705
Step 128: 52705 + 415 = 53120
Step 129: 53120 + 415 = 53535
Step 130: 53535 + 415 = 53950
Step 131: 53950 + 415 = 54365
Step 132: 54365 + 415 = 54780
Step 133: 54780 + 415 = 55195
Step 134: 55195 + 415 = 55610
Step 135: 55610 + 415 = 56025
Step 136: 56025 + 415 = 56440
Step 137: 56440 + 415 = 56855
Step 138: 56855 + 415 = 57270
Step 139: 57270 + 415 = 57685
Step 140: 57685 + 415 = 58100
Step 141: 58100 + 415 = 58515
Step 142: 58515 + 415 = 58930
Step 143: 58930 + 415 = 59345
Step 144: 59345 + 415 = 59760
Step 145: 59760 + 415 = 60175
Step 146: 60175 + 415 = 60590
Step 147: 60590 + 415 = 61005
Step 148: 61005 + 415 = 61420
Step 149: 61420 + 415 = 61835
Step 150: 61835 + 415 = 62250
Step 151: 62250 + 415 = 62665
Step 152: 62665 + 415 = 63080
Step 153: 63080 + 415 = 63495
Step 154: 63495 + 415 = 63910
Step 155: 63910 + 415 = 64325
Step 156: 64325 + 415 = 64740
Step 157: 64740 + 415 = 65155
Step 158: 65155 + 415 = 65570
Step 159: 65570 + 415 = 65985
Step 160: 65985 + 415 = 66400
Step 161: 66400 + 415 = 66815
Step 162: 66815 + 415 = 67230
Step 163: 67230 + 415 = 67645
Step 164: 67645 + 415 = 68060
Step 165: 68060 + 415 = 68475
Step 166: 68475 + 415 = 68890
Step 167: 68890 + 415 = 69305
Step 168: 69305 + 415 = 69720
Step 169: 69720 + 415 = 70135
Step 170: 70135 + 415 = 70550
Step 171: 70550 + 415 = 70965
Step 172: 70965 + 415 = 71380
Step 173: 71380 + 415 = 71795
Step 174: 71795 + 415 = 72210
Step 175: 72210 + 415 = 72625
Step 176: 72625 + 415 = 73040
Step 177: 73040 + 415 = 73455
Step 178: 73455 + 415 = 73870
Step 179: 73870 + 415 = 74285
Step 180: 74285 + 415 = 74700
Step 181: 74700 + 415 = 75115
Step 182: 75115 + 415 = 75530
Step 183: 75530 + 415 = 75945
Step 184: 75945 + 415 = 76360
Step 185: 76360 + 415 = 76775
Step 186: 76775 + 415 = 77190
Step 187: 77190 + 415 = 77605
Step 188: 77605 + 415 = 78020
Step 189: 78020 + 415 = 78435
Step 190: 78435 + 415 = 78850
Step 191: 78850 + 415 = 79265
Step 192: 79265 + 415 = 79680
Step 193: 79680 + 415 = 80095
Step 194: 80095 + 415 = 80510
Step 195: 80510 + 415 = 80925
Step 196: 80925 + 415 = 81340
Step 197: 81340 + 415 = 81755
Step 198: 81755 + 415 = 82170
Step 199: 82170 + 415 = 82585
Step 200: 82585 + 415 = 83000
Step 201: 83000 + 415 = 83415
Step 202: 83415 + 415 = 83830
Step 203: 83830 + 415 = 84245
Step 204: 84245 + 415 = 84660
Step 205: 84660 + 415 = 85075
Step 206: 85075 + 415 = 85490
Step 207: 85490 + 415 = 85905
Step 208: 85905 + 415 = 86320
Step 209: 86320 + 415 = 86735
Step 210: 86735 + 415 = 87150
Step 211: 87150 + 415 = 87565
Step 212: 87565 + 415 = 87980
Step 213: 87980 + 415 = 88395
Step 214: 88395 + 415 = 88810
Step 215: 88810 + 415 = 89225
Step 216: 89225 + 415 = 89640
Step 217: 89640 + 415 = 90055
Step 218: 90055 + 415 = 90470
Step 219: 90470 + 415 = 90885
Step 220: 90885 + 415 = 91300
Step 221: 91300 + 415 = 91715
Step 222: 91715 + 415 = 92130
Step 223: 92130 + 415 = 92545
Step 224: 92545 + 415 = 92960
Step 225: 92960 + 415 = 93375
Step 226: 93375 + 415 = 93790
Step 227: 93790 + 415 = 94205
Step 228: 94205 + 415 = 94620
Step 229: 94620 + 415 = 95035
Step 230: 95035 + 415 = 95450
Step 231: 95450 + 415 = 95865
Step 232: 95865 + 415 = 96280
Step 233: 96280 + 415 = 96695
Step 234: 96695 + 415 = 97110
Step 235: 97110 + 415 = 97525
Step 236: 97525 + 415 = 97940
Step 237: 97940 + 415 = 98355
Step 238: 98355 + 415 = 98770
Step 239: 98770 + 415 = 99185
Step 240: 99185 + 415 = 99600
Step 241: 99600 + 415 = 100015
Step 242: 100015 + 415 = 100430
Step 243: 100430 + 415 = 100845
Step 244: 100845 + 415 = 101260
Step 245: 101260 + 415 = 101675
Step 246: 101675 + 415 = 102090
Step 247: 102090 + 415 = 102505
Step 248: 102505 + 415 = 102920
Step 249: 102920 + 415 = 103335
Step 250: 103335 + 415 = 103750
Step 251: 103750 + 415 = 104165
Step 252: 104165 + 415 = 104580
Step 253: 104580 + 415 = 104995
Step 254: 104995 + 415 = 105410
Step 255: 105410 + 415 = 105825
Step 256: 105825 + 415 = 106240
Step 257: 106240 + 415 = 106655
Step 258: 106655 + 415 = 107070
Step 259: 107070 + 415 = 107485
Step 260: 107485 + 415 = 107900
Step 261: 107900 + 415 = 108315
Step 262: 108315 + 415 = 108730
Step 263: 108730 + 415 = 109145
Step 264: 109145 + 415 = 109560
Step 265: 109560 + 415 = 109975
Step 266: 109975 + 415 = 110390
Step 267: 110390 + 415 = 110805
Step 268: 110805 + 415 = 111220
Step 269: 111220 + 415 = 111635
Step 270: 111635 + 415 = 112050
Step 271: 112050 + 415 = 112465
Step 272: 112465 + 415 = 112880
Step 273: 112880 + 415 = 113295
Step 274: 113295 + 415 = 113710
Step 275: 113710 + 415 = 114125
Step 276: 114125 + 415 = 114540
Step 277: 114540 + 415 = 114955
Step 278: 114955 + 415 = 115370
Step 279: 115370 + 415 = 115785
Step 280: 115785 + 415 = 116200
Step 281: 116200 + 415 = 116615
Step 282: 116615 + 415 = 117030
Step 283: 117030 + 415 = 117445
Step 284: 117445 + 415 = 117860
Step 285: 117860 + 415 = 118275
Step 286: 118275 + 415 = 118690
Step 287: 118690 + 415 = 119105
Step 288: 119105 + 415 = 119520
Step 289: 119520 + 415 = 119935
Step 290: 119935 + 415 = 120350
Step 291: 120350 + 415 = 120765
Step 292: 120765 + 415 = 121180
Step 293: 121180 + 415 = 121595
Step 294: 121595 + 415 = 122010
Step 295: 122010 + 415 = 122425
Step 296: 122425 + 415 = 122840
Step 297: 122840 + 415 = 123255
Step 298: 123255 + 415 = 123670
Step 299: 123670 + 415 = 124085
Step 300: 124085 + 415 = 124500
Step 301: 124500 + 415 = 124915
Step 302: 124915 + 415 = 125330
Step 303: 125330 + 415 = 125745
Step 304: 125745 + 415 = 126160
Step 305: 126160 + 415 = 126575
Step 306: 126575 + 415 = 126990
Step 307: 126990 + 415 = 127405
Step 308: 127405 + 415 = 127820
Step 309: 127820 + 415 = 128235
Step 310: 128235 + 415 = 128650
Step 311: 128650 + 415 = 129065
Step 312: 129065 + 415 = 129480
Step 313: 129480 + 415 = 129895
Step 314: 129895 + 415 = 130310
Step 315: 130310 + 415 = 130725
Step 316: 130725 + 415 = 131140
Step 317: 131140 + 415 = 131555
Step 318: 131555 + 415 = 131970
Step 319: 131970 + 415 = 132385
Step 320: 132385 + 415 = 132800
Step 321: 132800 + 415 = 133215
Step 322: 133215 + 415 = 133630
Step 323: 133630 + 415 = 134045
Step 324: 134045 + 415 = 134460
Step 325: 134460 + 415 = 134875
Step 326: 134875 + 415 = 135290
Step 327: 135290 + 415 = 135705
Step 328: 135705 + 415 = 136120
Step 329: 136120 + 415 = 136535
Step 330: 136535 + 415 = 136950
Step 331: 136950 + 415 = 137365
Step 332: 137365 + 415 = 137780
Step 333: 137780 + 415 = 138195
Step 334: 138195 + 415 = 138610
Step 335: 138610 + 415 = 139025
Step 336: 139025 + 415 = 139440
Step 337: 139440 + 415 = 139855
Step 338: 139855 + 415 = 140270
Step 339: 140270 + 415 = 140685
Step 340: 140685 + 415 = 141100
Step 341: 141100 + 415 = 141515
Step 342: 141515 + 415 = 141930
Step 343: 141930 + 415 = 142345
Step 344: 142345 + 415 = 142760
Step 345: 142760 + 415 = 143175
Step 346: 143175 + 415 = 143590
Step 347: 143590 + 415 = 144005
Step 348: 144005 + 415 = 144420
Step 349: 144420 + 415 = 144835
Step 350: 144835 + 415 = 145250
Step 351: 145250 + 415 = 145665
Step 352: 145665 + 415 = 146080
Step 353: 146080 + 415 = 146495
Step 354: 146495 + 415 = 146910
Step 355: 146910 + 415 = 147325
Step 356: 147325 + 415 = 147740
Step 357: 147740 + 415 = 148155
Step 358: 148155 + 415 = 148570
Step 359: 148570 + 415 = 148985
Step 360: 148985 + 415 = 149400
Step 361: 149400 + 415 = 149815
Step 362: 149815 + 415 = 150230
Step 363: 150230 + 415 = 150645
Step 364: 150645 + 415 = 151060
Step 365: 151060 + 415 = 151475
Step 366: 151475 + 415 = 151890
Step 367: 151890 + 415 = 152305
Step 368: 152305 + 415 = 152720
Step 369: 152720 + 415 = 153135
Step 370: 153135 + 415 = 153550
Step 371: 153550 + 415 = 153965
Step 372: 153965 + 415 = 154380
Step 373: 154380 + 415 = 154795
Step 374: 154795 + 415 = 155210
Step 375: 155210 + 415 = 155625
Step 376: 155625 + 415 = 156040
Step 377: 156040 + 415 = 156455
Step 378: 156455 + 415 = 156870
Step 379: 156870 + 415 = 157285
Step 380: 157285 + 415 = 157700
Step 381: 157700 + 415 = 158115
Step 382: 158115 + 415 = 158530
Step 383: 158530 + 415 = 158945
Step 384: 158945 + 415 = 159360
Step 385: 159360 + 415 = 159775
Step 386: 159775 + 415 = 160190
Step 387: 160190 + 415 = 160605
Step 388: 160605 + 415 = 161020
Step 389: 161020 + 415 = 161435
Step 390: 161435 + 415 = 161850
Step 391: 161850 + 415 = 162265
Step 392: 162265 + 415 = 162680
Step 393: 162680 + 415 = 163095
Step 394: 163095 + 415 = 163510
Step 395: 163510 + 415 = 163925
Step 396: 163925 + 415 = 164340
Step 397: 164340 + 415 = 164755
Step 398: 164755 + 415 = 165170
Step 399: 165170 + 415 = 165585
Step 400: 165585 + 415 = 166000
Step 401: 166000 + 415 = 166415
Step 402: 166415 + 415 = 166830
Step 403: 166830 + 415 = 167245
Step 404: 167245 + 415 = 167660
Step 405: 167660 + 415 = 168075
Step 406: 168075 + 415 = 168490
Step 407: 168490 + 415 = 168905
Step 408: 168905 + 415 = 169320
Step 409: 169320 + 415 = 169735
Step 410: 169735 + 415 = 170150
Step 411: 170150 + 415 = 170565
Step 412: 170565 + 415 = 170980
Step 413: 170980 + 415 = 171395
Step 414: 171395 + 415 = 171810
Step 415: 171810 + 415 = 172225
Step 416: 172225 + 415 = 172640
Step 417: 172640 + 415 = 173055
Step 418: 173055 + 415 = 173470
Step 419: 173470 + 415 = 173885
Step 420: 173885 + 415 = 174300
Step 421: 174300 + 415 = 174715
Step 422: 174715 + 415 = 175130
Step 423: 175130 + 415 = 175545
Step 424: 175545 + 415 = 175960
Step 425: 175960 + 415 = 176375
Step 426: 176375 + 415 = 176790
Step 427: 176790 + 415 = 177205
Step 428: 177205 + 415 = 177620
Step 429: 177620 + 415 = 178035
Step 430: 178035 + 415 = 178450
Step 431: 178450 + 415 = 178865
Step 432: 178865 + 415 = 179280
Step 433: 179280 + 415 = 179695
Step 434: 179695 + 415 = 180110
Step 435: 180110 + 415 = 180525
Step 436: 180525 + 415 = 180940
Step 437: 180940 + 415 = 181355
Step 438: 181355 + 415 = 181770
Step 439: 181770 + 415 = 182185
Step 440: 182185 + 415 = 182600
Step 441: 182600 + 415 = 183015
Step 442: 183015 + 415 = 183430
Step 443: 183430 + 415 = 183845
Step 444: 183845 + 415 = 184260
Step 445: 184260 + 415 = 184675
Step 446: 184675 + 415 = 185090
Step 447: 185090 + 415 = 185505
Step 448: 185505 + 415 = 185920
Step 449: 185920 + 415 = 186335
Step 450: 186335 + 415 = 186750
Step 451: 186750 + 415 = 187165
Step 452: 187165 + 415 = 187580
Step 453: 187580 + 415 = 187995
Step 454: 187995 + 415 = 188410
Step 455: 188410 + 415 = 188825
Step 456: 188825 + 415 = 189240
Step 457: 189240 + 415 = 189655
Step 458: 189655 + 415 = 190070
Step 459: 190070 + 415 = 190485
Step 460: 190485 + 415 = 190900
Step 461: 190900 + 415 = 191315
Step 462: 191315 + 415 = 191730
Step 463: 191730 + 415 = 192145
Step 464: 192145 + 415 = 192560
Step 465: 192560 + 415 = 192975
Step 466: 192975 + 415 = 193390
Step 467: 193390 + 415 = 193805
Step 468: 193805 + 415 = 194220
Step 469: 194220 + 415 = 194635
Step 470: 194635 + 415 = 195050
Step 471: 195050 + 415 = 195465
Step 472: 195465 + 415 = 195880
Step 473: 195880 + 415 = 196295
Step 474: 196295 + 415 = 196710
Step 475: 196710 + 415 = 197125
Step 476: 197125 + 415 = 197540
Step 477: 197540 + 415 = 197955
Step 478: 197955 + 415 = 198370
Step 479: 198370 + 415 = 198785
Step 480: 198785 + 415 = 199200
Step 481: 199200 + 415 = 199615
Step 482: 199615 + 415 = 200030
Step 483: 200030 + 415 = 200445
Step 484: 200445 + 415 = 200860
Step 485: 200860 + 415 = 201275
Step 486: 201275 + 415 = 201690
Step 487: 201690 + 415 = 202105
Step 488: 202105 + 415 = 202520
Step 489: 202520 + 415 = 202935
Step 490: 202935 + 415 = 203350
Step 491: 203350 + 415 = 203765

So, 415*491 = 203765