Without delay, let's solve this. We've got 835 and we will be multiplying it by 285, that is, adding 835 to itself 285 times.
Step 1: 0 + 835 = 835
Step 2: 835 + 835 = 1670
Step 3: 1670 + 835 = 2505
Step 4: 2505 + 835 = 3340
Step 5: 3340 + 835 = 4175
Step 6: 4175 + 835 = 5010
Step 7: 5010 + 835 = 5845
Step 8: 5845 + 835 = 6680
Step 9: 6680 + 835 = 7515
Step 10: 7515 + 835 = 8350
Step 11: 8350 + 835 = 9185
Step 12: 9185 + 835 = 10020
Step 13: 10020 + 835 = 10855
Step 14: 10855 + 835 = 11690
Step 15: 11690 + 835 = 12525
Step 16: 12525 + 835 = 13360
Step 17: 13360 + 835 = 14195
Step 18: 14195 + 835 = 15030
Step 19: 15030 + 835 = 15865
Step 20: 15865 + 835 = 16700
Step 21: 16700 + 835 = 17535
Step 22: 17535 + 835 = 18370
Step 23: 18370 + 835 = 19205
Step 24: 19205 + 835 = 20040
Step 25: 20040 + 835 = 20875
Step 26: 20875 + 835 = 21710
Step 27: 21710 + 835 = 22545
Step 28: 22545 + 835 = 23380
Step 29: 23380 + 835 = 24215
Step 30: 24215 + 835 = 25050
Step 31: 25050 + 835 = 25885
Step 32: 25885 + 835 = 26720
Step 33: 26720 + 835 = 27555
Step 34: 27555 + 835 = 28390
Step 35: 28390 + 835 = 29225
Step 36: 29225 + 835 = 30060
Step 37: 30060 + 835 = 30895
Step 38: 30895 + 835 = 31730
Step 39: 31730 + 835 = 32565
Step 40: 32565 + 835 = 33400
Step 41: 33400 + 835 = 34235
Step 42: 34235 + 835 = 35070
Step 43: 35070 + 835 = 35905
Step 44: 35905 + 835 = 36740
Step 45: 36740 + 835 = 37575
Step 46: 37575 + 835 = 38410
Step 47: 38410 + 835 = 39245
Step 48: 39245 + 835 = 40080
Step 49: 40080 + 835 = 40915
Step 50: 40915 + 835 = 41750
Step 51: 41750 + 835 = 42585
Step 52: 42585 + 835 = 43420
Step 53: 43420 + 835 = 44255
Step 54: 44255 + 835 = 45090
Step 55: 45090 + 835 = 45925
Step 56: 45925 + 835 = 46760
Step 57: 46760 + 835 = 47595
Step 58: 47595 + 835 = 48430
Step 59: 48430 + 835 = 49265
Step 60: 49265 + 835 = 50100
Step 61: 50100 + 835 = 50935
Step 62: 50935 + 835 = 51770
Step 63: 51770 + 835 = 52605
Step 64: 52605 + 835 = 53440
Step 65: 53440 + 835 = 54275
Step 66: 54275 + 835 = 55110
Step 67: 55110 + 835 = 55945
Step 68: 55945 + 835 = 56780
Step 69: 56780 + 835 = 57615
Step 70: 57615 + 835 = 58450
Step 71: 58450 + 835 = 59285
Step 72: 59285 + 835 = 60120
Step 73: 60120 + 835 = 60955
Step 74: 60955 + 835 = 61790
Step 75: 61790 + 835 = 62625
Step 76: 62625 + 835 = 63460
Step 77: 63460 + 835 = 64295
Step 78: 64295 + 835 = 65130
Step 79: 65130 + 835 = 65965
Step 80: 65965 + 835 = 66800
Step 81: 66800 + 835 = 67635
Step 82: 67635 + 835 = 68470
Step 83: 68470 + 835 = 69305
Step 84: 69305 + 835 = 70140
Step 85: 70140 + 835 = 70975
Step 86: 70975 + 835 = 71810
Step 87: 71810 + 835 = 72645
Step 88: 72645 + 835 = 73480
Step 89: 73480 + 835 = 74315
Step 90: 74315 + 835 = 75150
Step 91: 75150 + 835 = 75985
Step 92: 75985 + 835 = 76820
Step 93: 76820 + 835 = 77655
Step 94: 77655 + 835 = 78490
Step 95: 78490 + 835 = 79325
Step 96: 79325 + 835 = 80160
Step 97: 80160 + 835 = 80995
Step 98: 80995 + 835 = 81830
Step 99: 81830 + 835 = 82665
Step 100: 82665 + 835 = 83500
Step 101: 83500 + 835 = 84335
Step 102: 84335 + 835 = 85170
Step 103: 85170 + 835 = 86005
Step 104: 86005 + 835 = 86840
Step 105: 86840 + 835 = 87675
Step 106: 87675 + 835 = 88510
Step 107: 88510 + 835 = 89345
Step 108: 89345 + 835 = 90180
Step 109: 90180 + 835 = 91015
Step 110: 91015 + 835 = 91850
Step 111: 91850 + 835 = 92685
Step 112: 92685 + 835 = 93520
Step 113: 93520 + 835 = 94355
Step 114: 94355 + 835 = 95190
Step 115: 95190 + 835 = 96025
Step 116: 96025 + 835 = 96860
Step 117: 96860 + 835 = 97695
Step 118: 97695 + 835 = 98530
Step 119: 98530 + 835 = 99365
Step 120: 99365 + 835 = 100200
Step 121: 100200 + 835 = 101035
Step 122: 101035 + 835 = 101870
Step 123: 101870 + 835 = 102705
Step 124: 102705 + 835 = 103540
Step 125: 103540 + 835 = 104375
Step 126: 104375 + 835 = 105210
Step 127: 105210 + 835 = 106045
Step 128: 106045 + 835 = 106880
Step 129: 106880 + 835 = 107715
Step 130: 107715 + 835 = 108550
Step 131: 108550 + 835 = 109385
Step 132: 109385 + 835 = 110220
Step 133: 110220 + 835 = 111055
Step 134: 111055 + 835 = 111890
Step 135: 111890 + 835 = 112725
Step 136: 112725 + 835 = 113560
Step 137: 113560 + 835 = 114395
Step 138: 114395 + 835 = 115230
Step 139: 115230 + 835 = 116065
Step 140: 116065 + 835 = 116900
Step 141: 116900 + 835 = 117735
Step 142: 117735 + 835 = 118570
Step 143: 118570 + 835 = 119405
Step 144: 119405 + 835 = 120240
Step 145: 120240 + 835 = 121075
Step 146: 121075 + 835 = 121910
Step 147: 121910 + 835 = 122745
Step 148: 122745 + 835 = 123580
Step 149: 123580 + 835 = 124415
Step 150: 124415 + 835 = 125250
Step 151: 125250 + 835 = 126085
Step 152: 126085 + 835 = 126920
Step 153: 126920 + 835 = 127755
Step 154: 127755 + 835 = 128590
Step 155: 128590 + 835 = 129425
Step 156: 129425 + 835 = 130260
Step 157: 130260 + 835 = 131095
Step 158: 131095 + 835 = 131930
Step 159: 131930 + 835 = 132765
Step 160: 132765 + 835 = 133600
Step 161: 133600 + 835 = 134435
Step 162: 134435 + 835 = 135270
Step 163: 135270 + 835 = 136105
Step 164: 136105 + 835 = 136940
Step 165: 136940 + 835 = 137775
Step 166: 137775 + 835 = 138610
Step 167: 138610 + 835 = 139445
Step 168: 139445 + 835 = 140280
Step 169: 140280 + 835 = 141115
Step 170: 141115 + 835 = 141950
Step 171: 141950 + 835 = 142785
Step 172: 142785 + 835 = 143620
Step 173: 143620 + 835 = 144455
Step 174: 144455 + 835 = 145290
Step 175: 145290 + 835 = 146125
Step 176: 146125 + 835 = 146960
Step 177: 146960 + 835 = 147795
Step 178: 147795 + 835 = 148630
Step 179: 148630 + 835 = 149465
Step 180: 149465 + 835 = 150300
Step 181: 150300 + 835 = 151135
Step 182: 151135 + 835 = 151970
Step 183: 151970 + 835 = 152805
Step 184: 152805 + 835 = 153640
Step 185: 153640 + 835 = 154475
Step 186: 154475 + 835 = 155310
Step 187: 155310 + 835 = 156145
Step 188: 156145 + 835 = 156980
Step 189: 156980 + 835 = 157815
Step 190: 157815 + 835 = 158650
Step 191: 158650 + 835 = 159485
Step 192: 159485 + 835 = 160320
Step 193: 160320 + 835 = 161155
Step 194: 161155 + 835 = 161990
Step 195: 161990 + 835 = 162825
Step 196: 162825 + 835 = 163660
Step 197: 163660 + 835 = 164495
Step 198: 164495 + 835 = 165330
Step 199: 165330 + 835 = 166165
Step 200: 166165 + 835 = 167000
Step 201: 167000 + 835 = 167835
Step 202: 167835 + 835 = 168670
Step 203: 168670 + 835 = 169505
Step 204: 169505 + 835 = 170340
Step 205: 170340 + 835 = 171175
Step 206: 171175 + 835 = 172010
Step 207: 172010 + 835 = 172845
Step 208: 172845 + 835 = 173680
Step 209: 173680 + 835 = 174515
Step 210: 174515 + 835 = 175350
Step 211: 175350 + 835 = 176185
Step 212: 176185 + 835 = 177020
Step 213: 177020 + 835 = 177855
Step 214: 177855 + 835 = 178690
Step 215: 178690 + 835 = 179525
Step 216: 179525 + 835 = 180360
Step 217: 180360 + 835 = 181195
Step 218: 181195 + 835 = 182030
Step 219: 182030 + 835 = 182865
Step 220: 182865 + 835 = 183700
Step 221: 183700 + 835 = 184535
Step 222: 184535 + 835 = 185370
Step 223: 185370 + 835 = 186205
Step 224: 186205 + 835 = 187040
Step 225: 187040 + 835 = 187875
Step 226: 187875 + 835 = 188710
Step 227: 188710 + 835 = 189545
Step 228: 189545 + 835 = 190380
Step 229: 190380 + 835 = 191215
Step 230: 191215 + 835 = 192050
Step 231: 192050 + 835 = 192885
Step 232: 192885 + 835 = 193720
Step 233: 193720 + 835 = 194555
Step 234: 194555 + 835 = 195390
Step 235: 195390 + 835 = 196225
Step 236: 196225 + 835 = 197060
Step 237: 197060 + 835 = 197895
Step 238: 197895 + 835 = 198730
Step 239: 198730 + 835 = 199565
Step 240: 199565 + 835 = 200400
Step 241: 200400 + 835 = 201235
Step 242: 201235 + 835 = 202070
Step 243: 202070 + 835 = 202905
Step 244: 202905 + 835 = 203740
Step 245: 203740 + 835 = 204575
Step 246: 204575 + 835 = 205410
Step 247: 205410 + 835 = 206245
Step 248: 206245 + 835 = 207080
Step 249: 207080 + 835 = 207915
Step 250: 207915 + 835 = 208750
Step 251: 208750 + 835 = 209585
Step 252: 209585 + 835 = 210420
Step 253: 210420 + 835 = 211255
Step 254: 211255 + 835 = 212090
Step 255: 212090 + 835 = 212925
Step 256: 212925 + 835 = 213760
Step 257: 213760 + 835 = 214595
Step 258: 214595 + 835 = 215430
Step 259: 215430 + 835 = 216265
Step 260: 216265 + 835 = 217100
Step 261: 217100 + 835 = 217935
Step 262: 217935 + 835 = 218770
Step 263: 218770 + 835 = 219605
Step 264: 219605 + 835 = 220440
Step 265: 220440 + 835 = 221275
Step 266: 221275 + 835 = 222110
Step 267: 222110 + 835 = 222945
Step 268: 222945 + 835 = 223780
Step 269: 223780 + 835 = 224615
Step 270: 224615 + 835 = 225450
Step 271: 225450 + 835 = 226285
Step 272: 226285 + 835 = 227120
Step 273: 227120 + 835 = 227955
Step 274: 227955 + 835 = 228790
Step 275: 228790 + 835 = 229625
Step 276: 229625 + 835 = 230460
Step 277: 230460 + 835 = 231295
Step 278: 231295 + 835 = 232130
Step 279: 232130 + 835 = 232965
Step 280: 232965 + 835 = 233800
Step 281: 233800 + 835 = 234635
Step 282: 234635 + 835 = 235470
Step 283: 235470 + 835 = 236305
Step 284: 236305 + 835 = 237140
Step 285: 237140 + 835 = 237975

So, 835*285 = 237975