Sure thing! We've got 876 and we're gonna multiply it by 209. That's the same as adding 876 to itself 209 times.
Step 1: 0 + 876 = 876
Step 2: 876 + 876 = 1752
Step 3: 1752 + 876 = 2628
Step 4: 2628 + 876 = 3504
Step 5: 3504 + 876 = 4380
Step 6: 4380 + 876 = 5256
Step 7: 5256 + 876 = 6132
Step 8: 6132 + 876 = 7008
Step 9: 7008 + 876 = 7884
Step 10: 7884 + 876 = 8760
Step 11: 8760 + 876 = 9636
Step 12: 9636 + 876 = 10512
Step 13: 10512 + 876 = 11388
Step 14: 11388 + 876 = 12264
Step 15: 12264 + 876 = 13140
Step 16: 13140 + 876 = 14016
Step 17: 14016 + 876 = 14892
Step 18: 14892 + 876 = 15768
Step 19: 15768 + 876 = 16644
Step 20: 16644 + 876 = 17520
Step 21: 17520 + 876 = 18396
Step 22: 18396 + 876 = 19272
Step 23: 19272 + 876 = 20148
Step 24: 20148 + 876 = 21024
Step 25: 21024 + 876 = 21900
Step 26: 21900 + 876 = 22776
Step 27: 22776 + 876 = 23652
Step 28: 23652 + 876 = 24528
Step 29: 24528 + 876 = 25404
Step 30: 25404 + 876 = 26280
Step 31: 26280 + 876 = 27156
Step 32: 27156 + 876 = 28032
Step 33: 28032 + 876 = 28908
Step 34: 28908 + 876 = 29784
Step 35: 29784 + 876 = 30660
Step 36: 30660 + 876 = 31536
Step 37: 31536 + 876 = 32412
Step 38: 32412 + 876 = 33288
Step 39: 33288 + 876 = 34164
Step 40: 34164 + 876 = 35040
Step 41: 35040 + 876 = 35916
Step 42: 35916 + 876 = 36792
Step 43: 36792 + 876 = 37668
Step 44: 37668 + 876 = 38544
Step 45: 38544 + 876 = 39420
Step 46: 39420 + 876 = 40296
Step 47: 40296 + 876 = 41172
Step 48: 41172 + 876 = 42048
Step 49: 42048 + 876 = 42924
Step 50: 42924 + 876 = 43800
Step 51: 43800 + 876 = 44676
Step 52: 44676 + 876 = 45552
Step 53: 45552 + 876 = 46428
Step 54: 46428 + 876 = 47304
Step 55: 47304 + 876 = 48180
Step 56: 48180 + 876 = 49056
Step 57: 49056 + 876 = 49932
Step 58: 49932 + 876 = 50808
Step 59: 50808 + 876 = 51684
Step 60: 51684 + 876 = 52560
Step 61: 52560 + 876 = 53436
Step 62: 53436 + 876 = 54312
Step 63: 54312 + 876 = 55188
Step 64: 55188 + 876 = 56064
Step 65: 56064 + 876 = 56940
Step 66: 56940 + 876 = 57816
Step 67: 57816 + 876 = 58692
Step 68: 58692 + 876 = 59568
Step 69: 59568 + 876 = 60444
Step 70: 60444 + 876 = 61320
Step 71: 61320 + 876 = 62196
Step 72: 62196 + 876 = 63072
Step 73: 63072 + 876 = 63948
Step 74: 63948 + 876 = 64824
Step 75: 64824 + 876 = 65700
Step 76: 65700 + 876 = 66576
Step 77: 66576 + 876 = 67452
Step 78: 67452 + 876 = 68328
Step 79: 68328 + 876 = 69204
Step 80: 69204 + 876 = 70080
Step 81: 70080 + 876 = 70956
Step 82: 70956 + 876 = 71832
Step 83: 71832 + 876 = 72708
Step 84: 72708 + 876 = 73584
Step 85: 73584 + 876 = 74460
Step 86: 74460 + 876 = 75336
Step 87: 75336 + 876 = 76212
Step 88: 76212 + 876 = 77088
Step 89: 77088 + 876 = 77964
Step 90: 77964 + 876 = 78840
Step 91: 78840 + 876 = 79716
Step 92: 79716 + 876 = 80592
Step 93: 80592 + 876 = 81468
Step 94: 81468 + 876 = 82344
Step 95: 82344 + 876 = 83220
Step 96: 83220 + 876 = 84096
Step 97: 84096 + 876 = 84972
Step 98: 84972 + 876 = 85848
Step 99: 85848 + 876 = 86724
Step 100: 86724 + 876 = 87600
Step 101: 87600 + 876 = 88476
Step 102: 88476 + 876 = 89352
Step 103: 89352 + 876 = 90228
Step 104: 90228 + 876 = 91104
Step 105: 91104 + 876 = 91980
Step 106: 91980 + 876 = 92856
Step 107: 92856 + 876 = 93732
Step 108: 93732 + 876 = 94608
Step 109: 94608 + 876 = 95484
Step 110: 95484 + 876 = 96360
Step 111: 96360 + 876 = 97236
Step 112: 97236 + 876 = 98112
Step 113: 98112 + 876 = 98988
Step 114: 98988 + 876 = 99864
Step 115: 99864 + 876 = 100740
Step 116: 100740 + 876 = 101616
Step 117: 101616 + 876 = 102492
Step 118: 102492 + 876 = 103368
Step 119: 103368 + 876 = 104244
Step 120: 104244 + 876 = 105120
Step 121: 105120 + 876 = 105996
Step 122: 105996 + 876 = 106872
Step 123: 106872 + 876 = 107748
Step 124: 107748 + 876 = 108624
Step 125: 108624 + 876 = 109500
Step 126: 109500 + 876 = 110376
Step 127: 110376 + 876 = 111252
Step 128: 111252 + 876 = 112128
Step 129: 112128 + 876 = 113004
Step 130: 113004 + 876 = 113880
Step 131: 113880 + 876 = 114756
Step 132: 114756 + 876 = 115632
Step 133: 115632 + 876 = 116508
Step 134: 116508 + 876 = 117384
Step 135: 117384 + 876 = 118260
Step 136: 118260 + 876 = 119136
Step 137: 119136 + 876 = 120012
Step 138: 120012 + 876 = 120888
Step 139: 120888 + 876 = 121764
Step 140: 121764 + 876 = 122640
Step 141: 122640 + 876 = 123516
Step 142: 123516 + 876 = 124392
Step 143: 124392 + 876 = 125268
Step 144: 125268 + 876 = 126144
Step 145: 126144 + 876 = 127020
Step 146: 127020 + 876 = 127896
Step 147: 127896 + 876 = 128772
Step 148: 128772 + 876 = 129648
Step 149: 129648 + 876 = 130524
Step 150: 130524 + 876 = 131400
Step 151: 131400 + 876 = 132276
Step 152: 132276 + 876 = 133152
Step 153: 133152 + 876 = 134028
Step 154: 134028 + 876 = 134904
Step 155: 134904 + 876 = 135780
Step 156: 135780 + 876 = 136656
Step 157: 136656 + 876 = 137532
Step 158: 137532 + 876 = 138408
Step 159: 138408 + 876 = 139284
Step 160: 139284 + 876 = 140160
Step 161: 140160 + 876 = 141036
Step 162: 141036 + 876 = 141912
Step 163: 141912 + 876 = 142788
Step 164: 142788 + 876 = 143664
Step 165: 143664 + 876 = 144540
Step 166: 144540 + 876 = 145416
Step 167: 145416 + 876 = 146292
Step 168: 146292 + 876 = 147168
Step 169: 147168 + 876 = 148044
Step 170: 148044 + 876 = 148920
Step 171: 148920 + 876 = 149796
Step 172: 149796 + 876 = 150672
Step 173: 150672 + 876 = 151548
Step 174: 151548 + 876 = 152424
Step 175: 152424 + 876 = 153300
Step 176: 153300 + 876 = 154176
Step 177: 154176 + 876 = 155052
Step 178: 155052 + 876 = 155928
Step 179: 155928 + 876 = 156804
Step 180: 156804 + 876 = 157680
Step 181: 157680 + 876 = 158556
Step 182: 158556 + 876 = 159432
Step 183: 159432 + 876 = 160308
Step 184: 160308 + 876 = 161184
Step 185: 161184 + 876 = 162060
Step 186: 162060 + 876 = 162936
Step 187: 162936 + 876 = 163812
Step 188: 163812 + 876 = 164688
Step 189: 164688 + 876 = 165564
Step 190: 165564 + 876 = 166440
Step 191: 166440 + 876 = 167316
Step 192: 167316 + 876 = 168192
Step 193: 168192 + 876 = 169068
Step 194: 169068 + 876 = 169944
Step 195: 169944 + 876 = 170820
Step 196: 170820 + 876 = 171696
Step 197: 171696 + 876 = 172572
Step 198: 172572 + 876 = 173448
Step 199: 173448 + 876 = 174324
Step 200: 174324 + 876 = 175200
Step 201: 175200 + 876 = 176076
Step 202: 176076 + 876 = 176952
Step 203: 176952 + 876 = 177828
Step 204: 177828 + 876 = 178704
Step 205: 178704 + 876 = 179580
Step 206: 179580 + 876 = 180456
Step 207: 180456 + 876 = 181332
Step 208: 181332 + 876 = 182208
Step 209: 182208 + 876 = 183084

So, 876*209 = 183084