Let's roll up our sleeves and solve this. We have 882 and we're going to multiply it by 213, essentially adding 882 to itself 213 times.
Step 1: 0 + 882 = 882
Step 2: 882 + 882 = 1764
Step 3: 1764 + 882 = 2646
Step 4: 2646 + 882 = 3528
Step 5: 3528 + 882 = 4410
Step 6: 4410 + 882 = 5292
Step 7: 5292 + 882 = 6174
Step 8: 6174 + 882 = 7056
Step 9: 7056 + 882 = 7938
Step 10: 7938 + 882 = 8820
Step 11: 8820 + 882 = 9702
Step 12: 9702 + 882 = 10584
Step 13: 10584 + 882 = 11466
Step 14: 11466 + 882 = 12348
Step 15: 12348 + 882 = 13230
Step 16: 13230 + 882 = 14112
Step 17: 14112 + 882 = 14994
Step 18: 14994 + 882 = 15876
Step 19: 15876 + 882 = 16758
Step 20: 16758 + 882 = 17640
Step 21: 17640 + 882 = 18522
Step 22: 18522 + 882 = 19404
Step 23: 19404 + 882 = 20286
Step 24: 20286 + 882 = 21168
Step 25: 21168 + 882 = 22050
Step 26: 22050 + 882 = 22932
Step 27: 22932 + 882 = 23814
Step 28: 23814 + 882 = 24696
Step 29: 24696 + 882 = 25578
Step 30: 25578 + 882 = 26460
Step 31: 26460 + 882 = 27342
Step 32: 27342 + 882 = 28224
Step 33: 28224 + 882 = 29106
Step 34: 29106 + 882 = 29988
Step 35: 29988 + 882 = 30870
Step 36: 30870 + 882 = 31752
Step 37: 31752 + 882 = 32634
Step 38: 32634 + 882 = 33516
Step 39: 33516 + 882 = 34398
Step 40: 34398 + 882 = 35280
Step 41: 35280 + 882 = 36162
Step 42: 36162 + 882 = 37044
Step 43: 37044 + 882 = 37926
Step 44: 37926 + 882 = 38808
Step 45: 38808 + 882 = 39690
Step 46: 39690 + 882 = 40572
Step 47: 40572 + 882 = 41454
Step 48: 41454 + 882 = 42336
Step 49: 42336 + 882 = 43218
Step 50: 43218 + 882 = 44100
Step 51: 44100 + 882 = 44982
Step 52: 44982 + 882 = 45864
Step 53: 45864 + 882 = 46746
Step 54: 46746 + 882 = 47628
Step 55: 47628 + 882 = 48510
Step 56: 48510 + 882 = 49392
Step 57: 49392 + 882 = 50274
Step 58: 50274 + 882 = 51156
Step 59: 51156 + 882 = 52038
Step 60: 52038 + 882 = 52920
Step 61: 52920 + 882 = 53802
Step 62: 53802 + 882 = 54684
Step 63: 54684 + 882 = 55566
Step 64: 55566 + 882 = 56448
Step 65: 56448 + 882 = 57330
Step 66: 57330 + 882 = 58212
Step 67: 58212 + 882 = 59094
Step 68: 59094 + 882 = 59976
Step 69: 59976 + 882 = 60858
Step 70: 60858 + 882 = 61740
Step 71: 61740 + 882 = 62622
Step 72: 62622 + 882 = 63504
Step 73: 63504 + 882 = 64386
Step 74: 64386 + 882 = 65268
Step 75: 65268 + 882 = 66150
Step 76: 66150 + 882 = 67032
Step 77: 67032 + 882 = 67914
Step 78: 67914 + 882 = 68796
Step 79: 68796 + 882 = 69678
Step 80: 69678 + 882 = 70560
Step 81: 70560 + 882 = 71442
Step 82: 71442 + 882 = 72324
Step 83: 72324 + 882 = 73206
Step 84: 73206 + 882 = 74088
Step 85: 74088 + 882 = 74970
Step 86: 74970 + 882 = 75852
Step 87: 75852 + 882 = 76734
Step 88: 76734 + 882 = 77616
Step 89: 77616 + 882 = 78498
Step 90: 78498 + 882 = 79380
Step 91: 79380 + 882 = 80262
Step 92: 80262 + 882 = 81144
Step 93: 81144 + 882 = 82026
Step 94: 82026 + 882 = 82908
Step 95: 82908 + 882 = 83790
Step 96: 83790 + 882 = 84672
Step 97: 84672 + 882 = 85554
Step 98: 85554 + 882 = 86436
Step 99: 86436 + 882 = 87318
Step 100: 87318 + 882 = 88200
Step 101: 88200 + 882 = 89082
Step 102: 89082 + 882 = 89964
Step 103: 89964 + 882 = 90846
Step 104: 90846 + 882 = 91728
Step 105: 91728 + 882 = 92610
Step 106: 92610 + 882 = 93492
Step 107: 93492 + 882 = 94374
Step 108: 94374 + 882 = 95256
Step 109: 95256 + 882 = 96138
Step 110: 96138 + 882 = 97020
Step 111: 97020 + 882 = 97902
Step 112: 97902 + 882 = 98784
Step 113: 98784 + 882 = 99666
Step 114: 99666 + 882 = 100548
Step 115: 100548 + 882 = 101430
Step 116: 101430 + 882 = 102312
Step 117: 102312 + 882 = 103194
Step 118: 103194 + 882 = 104076
Step 119: 104076 + 882 = 104958
Step 120: 104958 + 882 = 105840
Step 121: 105840 + 882 = 106722
Step 122: 106722 + 882 = 107604
Step 123: 107604 + 882 = 108486
Step 124: 108486 + 882 = 109368
Step 125: 109368 + 882 = 110250
Step 126: 110250 + 882 = 111132
Step 127: 111132 + 882 = 112014
Step 128: 112014 + 882 = 112896
Step 129: 112896 + 882 = 113778
Step 130: 113778 + 882 = 114660
Step 131: 114660 + 882 = 115542
Step 132: 115542 + 882 = 116424
Step 133: 116424 + 882 = 117306
Step 134: 117306 + 882 = 118188
Step 135: 118188 + 882 = 119070
Step 136: 119070 + 882 = 119952
Step 137: 119952 + 882 = 120834
Step 138: 120834 + 882 = 121716
Step 139: 121716 + 882 = 122598
Step 140: 122598 + 882 = 123480
Step 141: 123480 + 882 = 124362
Step 142: 124362 + 882 = 125244
Step 143: 125244 + 882 = 126126
Step 144: 126126 + 882 = 127008
Step 145: 127008 + 882 = 127890
Step 146: 127890 + 882 = 128772
Step 147: 128772 + 882 = 129654
Step 148: 129654 + 882 = 130536
Step 149: 130536 + 882 = 131418
Step 150: 131418 + 882 = 132300
Step 151: 132300 + 882 = 133182
Step 152: 133182 + 882 = 134064
Step 153: 134064 + 882 = 134946
Step 154: 134946 + 882 = 135828
Step 155: 135828 + 882 = 136710
Step 156: 136710 + 882 = 137592
Step 157: 137592 + 882 = 138474
Step 158: 138474 + 882 = 139356
Step 159: 139356 + 882 = 140238
Step 160: 140238 + 882 = 141120
Step 161: 141120 + 882 = 142002
Step 162: 142002 + 882 = 142884
Step 163: 142884 + 882 = 143766
Step 164: 143766 + 882 = 144648
Step 165: 144648 + 882 = 145530
Step 166: 145530 + 882 = 146412
Step 167: 146412 + 882 = 147294
Step 168: 147294 + 882 = 148176
Step 169: 148176 + 882 = 149058
Step 170: 149058 + 882 = 149940
Step 171: 149940 + 882 = 150822
Step 172: 150822 + 882 = 151704
Step 173: 151704 + 882 = 152586
Step 174: 152586 + 882 = 153468
Step 175: 153468 + 882 = 154350
Step 176: 154350 + 882 = 155232
Step 177: 155232 + 882 = 156114
Step 178: 156114 + 882 = 156996
Step 179: 156996 + 882 = 157878
Step 180: 157878 + 882 = 158760
Step 181: 158760 + 882 = 159642
Step 182: 159642 + 882 = 160524
Step 183: 160524 + 882 = 161406
Step 184: 161406 + 882 = 162288
Step 185: 162288 + 882 = 163170
Step 186: 163170 + 882 = 164052
Step 187: 164052 + 882 = 164934
Step 188: 164934 + 882 = 165816
Step 189: 165816 + 882 = 166698
Step 190: 166698 + 882 = 167580
Step 191: 167580 + 882 = 168462
Step 192: 168462 + 882 = 169344
Step 193: 169344 + 882 = 170226
Step 194: 170226 + 882 = 171108
Step 195: 171108 + 882 = 171990
Step 196: 171990 + 882 = 172872
Step 197: 172872 + 882 = 173754
Step 198: 173754 + 882 = 174636
Step 199: 174636 + 882 = 175518
Step 200: 175518 + 882 = 176400
Step 201: 176400 + 882 = 177282
Step 202: 177282 + 882 = 178164
Step 203: 178164 + 882 = 179046
Step 204: 179046 + 882 = 179928
Step 205: 179928 + 882 = 180810
Step 206: 180810 + 882 = 181692
Step 207: 181692 + 882 = 182574
Step 208: 182574 + 882 = 183456
Step 209: 183456 + 882 = 184338
Step 210: 184338 + 882 = 185220
Step 211: 185220 + 882 = 186102
Step 212: 186102 + 882 = 186984
Step 213: 186984 + 882 = 187866

So, 882*213 = 187866