Without delay, let's solve this. We've got 455 and we will be multiplying it by 311, that is, adding 455 to itself 311 times.
Step 1: 0 + 455 = 455
Step 2: 455 + 455 = 910
Step 3: 910 + 455 = 1365
Step 4: 1365 + 455 = 1820
Step 5: 1820 + 455 = 2275
Step 6: 2275 + 455 = 2730
Step 7: 2730 + 455 = 3185
Step 8: 3185 + 455 = 3640
Step 9: 3640 + 455 = 4095
Step 10: 4095 + 455 = 4550
Step 11: 4550 + 455 = 5005
Step 12: 5005 + 455 = 5460
Step 13: 5460 + 455 = 5915
Step 14: 5915 + 455 = 6370
Step 15: 6370 + 455 = 6825
Step 16: 6825 + 455 = 7280
Step 17: 7280 + 455 = 7735
Step 18: 7735 + 455 = 8190
Step 19: 8190 + 455 = 8645
Step 20: 8645 + 455 = 9100
Step 21: 9100 + 455 = 9555
Step 22: 9555 + 455 = 10010
Step 23: 10010 + 455 = 10465
Step 24: 10465 + 455 = 10920
Step 25: 10920 + 455 = 11375
Step 26: 11375 + 455 = 11830
Step 27: 11830 + 455 = 12285
Step 28: 12285 + 455 = 12740
Step 29: 12740 + 455 = 13195
Step 30: 13195 + 455 = 13650
Step 31: 13650 + 455 = 14105
Step 32: 14105 + 455 = 14560
Step 33: 14560 + 455 = 15015
Step 34: 15015 + 455 = 15470
Step 35: 15470 + 455 = 15925
Step 36: 15925 + 455 = 16380
Step 37: 16380 + 455 = 16835
Step 38: 16835 + 455 = 17290
Step 39: 17290 + 455 = 17745
Step 40: 17745 + 455 = 18200
Step 41: 18200 + 455 = 18655
Step 42: 18655 + 455 = 19110
Step 43: 19110 + 455 = 19565
Step 44: 19565 + 455 = 20020
Step 45: 20020 + 455 = 20475
Step 46: 20475 + 455 = 20930
Step 47: 20930 + 455 = 21385
Step 48: 21385 + 455 = 21840
Step 49: 21840 + 455 = 22295
Step 50: 22295 + 455 = 22750
Step 51: 22750 + 455 = 23205
Step 52: 23205 + 455 = 23660
Step 53: 23660 + 455 = 24115
Step 54: 24115 + 455 = 24570
Step 55: 24570 + 455 = 25025
Step 56: 25025 + 455 = 25480
Step 57: 25480 + 455 = 25935
Step 58: 25935 + 455 = 26390
Step 59: 26390 + 455 = 26845
Step 60: 26845 + 455 = 27300
Step 61: 27300 + 455 = 27755
Step 62: 27755 + 455 = 28210
Step 63: 28210 + 455 = 28665
Step 64: 28665 + 455 = 29120
Step 65: 29120 + 455 = 29575
Step 66: 29575 + 455 = 30030
Step 67: 30030 + 455 = 30485
Step 68: 30485 + 455 = 30940
Step 69: 30940 + 455 = 31395
Step 70: 31395 + 455 = 31850
Step 71: 31850 + 455 = 32305
Step 72: 32305 + 455 = 32760
Step 73: 32760 + 455 = 33215
Step 74: 33215 + 455 = 33670
Step 75: 33670 + 455 = 34125
Step 76: 34125 + 455 = 34580
Step 77: 34580 + 455 = 35035
Step 78: 35035 + 455 = 35490
Step 79: 35490 + 455 = 35945
Step 80: 35945 + 455 = 36400
Step 81: 36400 + 455 = 36855
Step 82: 36855 + 455 = 37310
Step 83: 37310 + 455 = 37765
Step 84: 37765 + 455 = 38220
Step 85: 38220 + 455 = 38675
Step 86: 38675 + 455 = 39130
Step 87: 39130 + 455 = 39585
Step 88: 39585 + 455 = 40040
Step 89: 40040 + 455 = 40495
Step 90: 40495 + 455 = 40950
Step 91: 40950 + 455 = 41405
Step 92: 41405 + 455 = 41860
Step 93: 41860 + 455 = 42315
Step 94: 42315 + 455 = 42770
Step 95: 42770 + 455 = 43225
Step 96: 43225 + 455 = 43680
Step 97: 43680 + 455 = 44135
Step 98: 44135 + 455 = 44590
Step 99: 44590 + 455 = 45045
Step 100: 45045 + 455 = 45500
Step 101: 45500 + 455 = 45955
Step 102: 45955 + 455 = 46410
Step 103: 46410 + 455 = 46865
Step 104: 46865 + 455 = 47320
Step 105: 47320 + 455 = 47775
Step 106: 47775 + 455 = 48230
Step 107: 48230 + 455 = 48685
Step 108: 48685 + 455 = 49140
Step 109: 49140 + 455 = 49595
Step 110: 49595 + 455 = 50050
Step 111: 50050 + 455 = 50505
Step 112: 50505 + 455 = 50960
Step 113: 50960 + 455 = 51415
Step 114: 51415 + 455 = 51870
Step 115: 51870 + 455 = 52325
Step 116: 52325 + 455 = 52780
Step 117: 52780 + 455 = 53235
Step 118: 53235 + 455 = 53690
Step 119: 53690 + 455 = 54145
Step 120: 54145 + 455 = 54600
Step 121: 54600 + 455 = 55055
Step 122: 55055 + 455 = 55510
Step 123: 55510 + 455 = 55965
Step 124: 55965 + 455 = 56420
Step 125: 56420 + 455 = 56875
Step 126: 56875 + 455 = 57330
Step 127: 57330 + 455 = 57785
Step 128: 57785 + 455 = 58240
Step 129: 58240 + 455 = 58695
Step 130: 58695 + 455 = 59150
Step 131: 59150 + 455 = 59605
Step 132: 59605 + 455 = 60060
Step 133: 60060 + 455 = 60515
Step 134: 60515 + 455 = 60970
Step 135: 60970 + 455 = 61425
Step 136: 61425 + 455 = 61880
Step 137: 61880 + 455 = 62335
Step 138: 62335 + 455 = 62790
Step 139: 62790 + 455 = 63245
Step 140: 63245 + 455 = 63700
Step 141: 63700 + 455 = 64155
Step 142: 64155 + 455 = 64610
Step 143: 64610 + 455 = 65065
Step 144: 65065 + 455 = 65520
Step 145: 65520 + 455 = 65975
Step 146: 65975 + 455 = 66430
Step 147: 66430 + 455 = 66885
Step 148: 66885 + 455 = 67340
Step 149: 67340 + 455 = 67795
Step 150: 67795 + 455 = 68250
Step 151: 68250 + 455 = 68705
Step 152: 68705 + 455 = 69160
Step 153: 69160 + 455 = 69615
Step 154: 69615 + 455 = 70070
Step 155: 70070 + 455 = 70525
Step 156: 70525 + 455 = 70980
Step 157: 70980 + 455 = 71435
Step 158: 71435 + 455 = 71890
Step 159: 71890 + 455 = 72345
Step 160: 72345 + 455 = 72800
Step 161: 72800 + 455 = 73255
Step 162: 73255 + 455 = 73710
Step 163: 73710 + 455 = 74165
Step 164: 74165 + 455 = 74620
Step 165: 74620 + 455 = 75075
Step 166: 75075 + 455 = 75530
Step 167: 75530 + 455 = 75985
Step 168: 75985 + 455 = 76440
Step 169: 76440 + 455 = 76895
Step 170: 76895 + 455 = 77350
Step 171: 77350 + 455 = 77805
Step 172: 77805 + 455 = 78260
Step 173: 78260 + 455 = 78715
Step 174: 78715 + 455 = 79170
Step 175: 79170 + 455 = 79625
Step 176: 79625 + 455 = 80080
Step 177: 80080 + 455 = 80535
Step 178: 80535 + 455 = 80990
Step 179: 80990 + 455 = 81445
Step 180: 81445 + 455 = 81900
Step 181: 81900 + 455 = 82355
Step 182: 82355 + 455 = 82810
Step 183: 82810 + 455 = 83265
Step 184: 83265 + 455 = 83720
Step 185: 83720 + 455 = 84175
Step 186: 84175 + 455 = 84630
Step 187: 84630 + 455 = 85085
Step 188: 85085 + 455 = 85540
Step 189: 85540 + 455 = 85995
Step 190: 85995 + 455 = 86450
Step 191: 86450 + 455 = 86905
Step 192: 86905 + 455 = 87360
Step 193: 87360 + 455 = 87815
Step 194: 87815 + 455 = 88270
Step 195: 88270 + 455 = 88725
Step 196: 88725 + 455 = 89180
Step 197: 89180 + 455 = 89635
Step 198: 89635 + 455 = 90090
Step 199: 90090 + 455 = 90545
Step 200: 90545 + 455 = 91000
Step 201: 91000 + 455 = 91455
Step 202: 91455 + 455 = 91910
Step 203: 91910 + 455 = 92365
Step 204: 92365 + 455 = 92820
Step 205: 92820 + 455 = 93275
Step 206: 93275 + 455 = 93730
Step 207: 93730 + 455 = 94185
Step 208: 94185 + 455 = 94640
Step 209: 94640 + 455 = 95095
Step 210: 95095 + 455 = 95550
Step 211: 95550 + 455 = 96005
Step 212: 96005 + 455 = 96460
Step 213: 96460 + 455 = 96915
Step 214: 96915 + 455 = 97370
Step 215: 97370 + 455 = 97825
Step 216: 97825 + 455 = 98280
Step 217: 98280 + 455 = 98735
Step 218: 98735 + 455 = 99190
Step 219: 99190 + 455 = 99645
Step 220: 99645 + 455 = 100100
Step 221: 100100 + 455 = 100555
Step 222: 100555 + 455 = 101010
Step 223: 101010 + 455 = 101465
Step 224: 101465 + 455 = 101920
Step 225: 101920 + 455 = 102375
Step 226: 102375 + 455 = 102830
Step 227: 102830 + 455 = 103285
Step 228: 103285 + 455 = 103740
Step 229: 103740 + 455 = 104195
Step 230: 104195 + 455 = 104650
Step 231: 104650 + 455 = 105105
Step 232: 105105 + 455 = 105560
Step 233: 105560 + 455 = 106015
Step 234: 106015 + 455 = 106470
Step 235: 106470 + 455 = 106925
Step 236: 106925 + 455 = 107380
Step 237: 107380 + 455 = 107835
Step 238: 107835 + 455 = 108290
Step 239: 108290 + 455 = 108745
Step 240: 108745 + 455 = 109200
Step 241: 109200 + 455 = 109655
Step 242: 109655 + 455 = 110110
Step 243: 110110 + 455 = 110565
Step 244: 110565 + 455 = 111020
Step 245: 111020 + 455 = 111475
Step 246: 111475 + 455 = 111930
Step 247: 111930 + 455 = 112385
Step 248: 112385 + 455 = 112840
Step 249: 112840 + 455 = 113295
Step 250: 113295 + 455 = 113750
Step 251: 113750 + 455 = 114205
Step 252: 114205 + 455 = 114660
Step 253: 114660 + 455 = 115115
Step 254: 115115 + 455 = 115570
Step 255: 115570 + 455 = 116025
Step 256: 116025 + 455 = 116480
Step 257: 116480 + 455 = 116935
Step 258: 116935 + 455 = 117390
Step 259: 117390 + 455 = 117845
Step 260: 117845 + 455 = 118300
Step 261: 118300 + 455 = 118755
Step 262: 118755 + 455 = 119210
Step 263: 119210 + 455 = 119665
Step 264: 119665 + 455 = 120120
Step 265: 120120 + 455 = 120575
Step 266: 120575 + 455 = 121030
Step 267: 121030 + 455 = 121485
Step 268: 121485 + 455 = 121940
Step 269: 121940 + 455 = 122395
Step 270: 122395 + 455 = 122850
Step 271: 122850 + 455 = 123305
Step 272: 123305 + 455 = 123760
Step 273: 123760 + 455 = 124215
Step 274: 124215 + 455 = 124670
Step 275: 124670 + 455 = 125125
Step 276: 125125 + 455 = 125580
Step 277: 125580 + 455 = 126035
Step 278: 126035 + 455 = 126490
Step 279: 126490 + 455 = 126945
Step 280: 126945 + 455 = 127400
Step 281: 127400 + 455 = 127855
Step 282: 127855 + 455 = 128310
Step 283: 128310 + 455 = 128765
Step 284: 128765 + 455 = 129220
Step 285: 129220 + 455 = 129675
Step 286: 129675 + 455 = 130130
Step 287: 130130 + 455 = 130585
Step 288: 130585 + 455 = 131040
Step 289: 131040 + 455 = 131495
Step 290: 131495 + 455 = 131950
Step 291: 131950 + 455 = 132405
Step 292: 132405 + 455 = 132860
Step 293: 132860 + 455 = 133315
Step 294: 133315 + 455 = 133770
Step 295: 133770 + 455 = 134225
Step 296: 134225 + 455 = 134680
Step 297: 134680 + 455 = 135135
Step 298: 135135 + 455 = 135590
Step 299: 135590 + 455 = 136045
Step 300: 136045 + 455 = 136500
Step 301: 136500 + 455 = 136955
Step 302: 136955 + 455 = 137410
Step 303: 137410 + 455 = 137865
Step 304: 137865 + 455 = 138320
Step 305: 138320 + 455 = 138775
Step 306: 138775 + 455 = 139230
Step 307: 139230 + 455 = 139685
Step 308: 139685 + 455 = 140140
Step 309: 140140 + 455 = 140595
Step 310: 140595 + 455 = 141050
Step 311: 141050 + 455 = 141505

So, 455*311 = 141505