OK, let's crack this. We're given 837 and our task is to multiply it by 214. Essentially, we'll be adding 837 to itself 214 times.
Step 1: 0 + 837 = 837
Step 2: 837 + 837 = 1674
Step 3: 1674 + 837 = 2511
Step 4: 2511 + 837 = 3348
Step 5: 3348 + 837 = 4185
Step 6: 4185 + 837 = 5022
Step 7: 5022 + 837 = 5859
Step 8: 5859 + 837 = 6696
Step 9: 6696 + 837 = 7533
Step 10: 7533 + 837 = 8370
Step 11: 8370 + 837 = 9207
Step 12: 9207 + 837 = 10044
Step 13: 10044 + 837 = 10881
Step 14: 10881 + 837 = 11718
Step 15: 11718 + 837 = 12555
Step 16: 12555 + 837 = 13392
Step 17: 13392 + 837 = 14229
Step 18: 14229 + 837 = 15066
Step 19: 15066 + 837 = 15903
Step 20: 15903 + 837 = 16740
Step 21: 16740 + 837 = 17577
Step 22: 17577 + 837 = 18414
Step 23: 18414 + 837 = 19251
Step 24: 19251 + 837 = 20088
Step 25: 20088 + 837 = 20925
Step 26: 20925 + 837 = 21762
Step 27: 21762 + 837 = 22599
Step 28: 22599 + 837 = 23436
Step 29: 23436 + 837 = 24273
Step 30: 24273 + 837 = 25110
Step 31: 25110 + 837 = 25947
Step 32: 25947 + 837 = 26784
Step 33: 26784 + 837 = 27621
Step 34: 27621 + 837 = 28458
Step 35: 28458 + 837 = 29295
Step 36: 29295 + 837 = 30132
Step 37: 30132 + 837 = 30969
Step 38: 30969 + 837 = 31806
Step 39: 31806 + 837 = 32643
Step 40: 32643 + 837 = 33480
Step 41: 33480 + 837 = 34317
Step 42: 34317 + 837 = 35154
Step 43: 35154 + 837 = 35991
Step 44: 35991 + 837 = 36828
Step 45: 36828 + 837 = 37665
Step 46: 37665 + 837 = 38502
Step 47: 38502 + 837 = 39339
Step 48: 39339 + 837 = 40176
Step 49: 40176 + 837 = 41013
Step 50: 41013 + 837 = 41850
Step 51: 41850 + 837 = 42687
Step 52: 42687 + 837 = 43524
Step 53: 43524 + 837 = 44361
Step 54: 44361 + 837 = 45198
Step 55: 45198 + 837 = 46035
Step 56: 46035 + 837 = 46872
Step 57: 46872 + 837 = 47709
Step 58: 47709 + 837 = 48546
Step 59: 48546 + 837 = 49383
Step 60: 49383 + 837 = 50220
Step 61: 50220 + 837 = 51057
Step 62: 51057 + 837 = 51894
Step 63: 51894 + 837 = 52731
Step 64: 52731 + 837 = 53568
Step 65: 53568 + 837 = 54405
Step 66: 54405 + 837 = 55242
Step 67: 55242 + 837 = 56079
Step 68: 56079 + 837 = 56916
Step 69: 56916 + 837 = 57753
Step 70: 57753 + 837 = 58590
Step 71: 58590 + 837 = 59427
Step 72: 59427 + 837 = 60264
Step 73: 60264 + 837 = 61101
Step 74: 61101 + 837 = 61938
Step 75: 61938 + 837 = 62775
Step 76: 62775 + 837 = 63612
Step 77: 63612 + 837 = 64449
Step 78: 64449 + 837 = 65286
Step 79: 65286 + 837 = 66123
Step 80: 66123 + 837 = 66960
Step 81: 66960 + 837 = 67797
Step 82: 67797 + 837 = 68634
Step 83: 68634 + 837 = 69471
Step 84: 69471 + 837 = 70308
Step 85: 70308 + 837 = 71145
Step 86: 71145 + 837 = 71982
Step 87: 71982 + 837 = 72819
Step 88: 72819 + 837 = 73656
Step 89: 73656 + 837 = 74493
Step 90: 74493 + 837 = 75330
Step 91: 75330 + 837 = 76167
Step 92: 76167 + 837 = 77004
Step 93: 77004 + 837 = 77841
Step 94: 77841 + 837 = 78678
Step 95: 78678 + 837 = 79515
Step 96: 79515 + 837 = 80352
Step 97: 80352 + 837 = 81189
Step 98: 81189 + 837 = 82026
Step 99: 82026 + 837 = 82863
Step 100: 82863 + 837 = 83700
Step 101: 83700 + 837 = 84537
Step 102: 84537 + 837 = 85374
Step 103: 85374 + 837 = 86211
Step 104: 86211 + 837 = 87048
Step 105: 87048 + 837 = 87885
Step 106: 87885 + 837 = 88722
Step 107: 88722 + 837 = 89559
Step 108: 89559 + 837 = 90396
Step 109: 90396 + 837 = 91233
Step 110: 91233 + 837 = 92070
Step 111: 92070 + 837 = 92907
Step 112: 92907 + 837 = 93744
Step 113: 93744 + 837 = 94581
Step 114: 94581 + 837 = 95418
Step 115: 95418 + 837 = 96255
Step 116: 96255 + 837 = 97092
Step 117: 97092 + 837 = 97929
Step 118: 97929 + 837 = 98766
Step 119: 98766 + 837 = 99603
Step 120: 99603 + 837 = 100440
Step 121: 100440 + 837 = 101277
Step 122: 101277 + 837 = 102114
Step 123: 102114 + 837 = 102951
Step 124: 102951 + 837 = 103788
Step 125: 103788 + 837 = 104625
Step 126: 104625 + 837 = 105462
Step 127: 105462 + 837 = 106299
Step 128: 106299 + 837 = 107136
Step 129: 107136 + 837 = 107973
Step 130: 107973 + 837 = 108810
Step 131: 108810 + 837 = 109647
Step 132: 109647 + 837 = 110484
Step 133: 110484 + 837 = 111321
Step 134: 111321 + 837 = 112158
Step 135: 112158 + 837 = 112995
Step 136: 112995 + 837 = 113832
Step 137: 113832 + 837 = 114669
Step 138: 114669 + 837 = 115506
Step 139: 115506 + 837 = 116343
Step 140: 116343 + 837 = 117180
Step 141: 117180 + 837 = 118017
Step 142: 118017 + 837 = 118854
Step 143: 118854 + 837 = 119691
Step 144: 119691 + 837 = 120528
Step 145: 120528 + 837 = 121365
Step 146: 121365 + 837 = 122202
Step 147: 122202 + 837 = 123039
Step 148: 123039 + 837 = 123876
Step 149: 123876 + 837 = 124713
Step 150: 124713 + 837 = 125550
Step 151: 125550 + 837 = 126387
Step 152: 126387 + 837 = 127224
Step 153: 127224 + 837 = 128061
Step 154: 128061 + 837 = 128898
Step 155: 128898 + 837 = 129735
Step 156: 129735 + 837 = 130572
Step 157: 130572 + 837 = 131409
Step 158: 131409 + 837 = 132246
Step 159: 132246 + 837 = 133083
Step 160: 133083 + 837 = 133920
Step 161: 133920 + 837 = 134757
Step 162: 134757 + 837 = 135594
Step 163: 135594 + 837 = 136431
Step 164: 136431 + 837 = 137268
Step 165: 137268 + 837 = 138105
Step 166: 138105 + 837 = 138942
Step 167: 138942 + 837 = 139779
Step 168: 139779 + 837 = 140616
Step 169: 140616 + 837 = 141453
Step 170: 141453 + 837 = 142290
Step 171: 142290 + 837 = 143127
Step 172: 143127 + 837 = 143964
Step 173: 143964 + 837 = 144801
Step 174: 144801 + 837 = 145638
Step 175: 145638 + 837 = 146475
Step 176: 146475 + 837 = 147312
Step 177: 147312 + 837 = 148149
Step 178: 148149 + 837 = 148986
Step 179: 148986 + 837 = 149823
Step 180: 149823 + 837 = 150660
Step 181: 150660 + 837 = 151497
Step 182: 151497 + 837 = 152334
Step 183: 152334 + 837 = 153171
Step 184: 153171 + 837 = 154008
Step 185: 154008 + 837 = 154845
Step 186: 154845 + 837 = 155682
Step 187: 155682 + 837 = 156519
Step 188: 156519 + 837 = 157356
Step 189: 157356 + 837 = 158193
Step 190: 158193 + 837 = 159030
Step 191: 159030 + 837 = 159867
Step 192: 159867 + 837 = 160704
Step 193: 160704 + 837 = 161541
Step 194: 161541 + 837 = 162378
Step 195: 162378 + 837 = 163215
Step 196: 163215 + 837 = 164052
Step 197: 164052 + 837 = 164889
Step 198: 164889 + 837 = 165726
Step 199: 165726 + 837 = 166563
Step 200: 166563 + 837 = 167400
Step 201: 167400 + 837 = 168237
Step 202: 168237 + 837 = 169074
Step 203: 169074 + 837 = 169911
Step 204: 169911 + 837 = 170748
Step 205: 170748 + 837 = 171585
Step 206: 171585 + 837 = 172422
Step 207: 172422 + 837 = 173259
Step 208: 173259 + 837 = 174096
Step 209: 174096 + 837 = 174933
Step 210: 174933 + 837 = 175770
Step 211: 175770 + 837 = 176607
Step 212: 176607 + 837 = 177444
Step 213: 177444 + 837 = 178281
Step 214: 178281 + 837 = 179118

So, 837*214 = 179118