OK, let's crack this. We're given 627 and our task is to multiply it by 210. Essentially, we'll be adding 627 to itself 210 times.
Step 1: 0 + 627 = 627
Step 2: 627 + 627 = 1254
Step 3: 1254 + 627 = 1881
Step 4: 1881 + 627 = 2508
Step 5: 2508 + 627 = 3135
Step 6: 3135 + 627 = 3762
Step 7: 3762 + 627 = 4389
Step 8: 4389 + 627 = 5016
Step 9: 5016 + 627 = 5643
Step 10: 5643 + 627 = 6270
Step 11: 6270 + 627 = 6897
Step 12: 6897 + 627 = 7524
Step 13: 7524 + 627 = 8151
Step 14: 8151 + 627 = 8778
Step 15: 8778 + 627 = 9405
Step 16: 9405 + 627 = 10032
Step 17: 10032 + 627 = 10659
Step 18: 10659 + 627 = 11286
Step 19: 11286 + 627 = 11913
Step 20: 11913 + 627 = 12540
Step 21: 12540 + 627 = 13167
Step 22: 13167 + 627 = 13794
Step 23: 13794 + 627 = 14421
Step 24: 14421 + 627 = 15048
Step 25: 15048 + 627 = 15675
Step 26: 15675 + 627 = 16302
Step 27: 16302 + 627 = 16929
Step 28: 16929 + 627 = 17556
Step 29: 17556 + 627 = 18183
Step 30: 18183 + 627 = 18810
Step 31: 18810 + 627 = 19437
Step 32: 19437 + 627 = 20064
Step 33: 20064 + 627 = 20691
Step 34: 20691 + 627 = 21318
Step 35: 21318 + 627 = 21945
Step 36: 21945 + 627 = 22572
Step 37: 22572 + 627 = 23199
Step 38: 23199 + 627 = 23826
Step 39: 23826 + 627 = 24453
Step 40: 24453 + 627 = 25080
Step 41: 25080 + 627 = 25707
Step 42: 25707 + 627 = 26334
Step 43: 26334 + 627 = 26961
Step 44: 26961 + 627 = 27588
Step 45: 27588 + 627 = 28215
Step 46: 28215 + 627 = 28842
Step 47: 28842 + 627 = 29469
Step 48: 29469 + 627 = 30096
Step 49: 30096 + 627 = 30723
Step 50: 30723 + 627 = 31350
Step 51: 31350 + 627 = 31977
Step 52: 31977 + 627 = 32604
Step 53: 32604 + 627 = 33231
Step 54: 33231 + 627 = 33858
Step 55: 33858 + 627 = 34485
Step 56: 34485 + 627 = 35112
Step 57: 35112 + 627 = 35739
Step 58: 35739 + 627 = 36366
Step 59: 36366 + 627 = 36993
Step 60: 36993 + 627 = 37620
Step 61: 37620 + 627 = 38247
Step 62: 38247 + 627 = 38874
Step 63: 38874 + 627 = 39501
Step 64: 39501 + 627 = 40128
Step 65: 40128 + 627 = 40755
Step 66: 40755 + 627 = 41382
Step 67: 41382 + 627 = 42009
Step 68: 42009 + 627 = 42636
Step 69: 42636 + 627 = 43263
Step 70: 43263 + 627 = 43890
Step 71: 43890 + 627 = 44517
Step 72: 44517 + 627 = 45144
Step 73: 45144 + 627 = 45771
Step 74: 45771 + 627 = 46398
Step 75: 46398 + 627 = 47025
Step 76: 47025 + 627 = 47652
Step 77: 47652 + 627 = 48279
Step 78: 48279 + 627 = 48906
Step 79: 48906 + 627 = 49533
Step 80: 49533 + 627 = 50160
Step 81: 50160 + 627 = 50787
Step 82: 50787 + 627 = 51414
Step 83: 51414 + 627 = 52041
Step 84: 52041 + 627 = 52668
Step 85: 52668 + 627 = 53295
Step 86: 53295 + 627 = 53922
Step 87: 53922 + 627 = 54549
Step 88: 54549 + 627 = 55176
Step 89: 55176 + 627 = 55803
Step 90: 55803 + 627 = 56430
Step 91: 56430 + 627 = 57057
Step 92: 57057 + 627 = 57684
Step 93: 57684 + 627 = 58311
Step 94: 58311 + 627 = 58938
Step 95: 58938 + 627 = 59565
Step 96: 59565 + 627 = 60192
Step 97: 60192 + 627 = 60819
Step 98: 60819 + 627 = 61446
Step 99: 61446 + 627 = 62073
Step 100: 62073 + 627 = 62700
Step 101: 62700 + 627 = 63327
Step 102: 63327 + 627 = 63954
Step 103: 63954 + 627 = 64581
Step 104: 64581 + 627 = 65208
Step 105: 65208 + 627 = 65835
Step 106: 65835 + 627 = 66462
Step 107: 66462 + 627 = 67089
Step 108: 67089 + 627 = 67716
Step 109: 67716 + 627 = 68343
Step 110: 68343 + 627 = 68970
Step 111: 68970 + 627 = 69597
Step 112: 69597 + 627 = 70224
Step 113: 70224 + 627 = 70851
Step 114: 70851 + 627 = 71478
Step 115: 71478 + 627 = 72105
Step 116: 72105 + 627 = 72732
Step 117: 72732 + 627 = 73359
Step 118: 73359 + 627 = 73986
Step 119: 73986 + 627 = 74613
Step 120: 74613 + 627 = 75240
Step 121: 75240 + 627 = 75867
Step 122: 75867 + 627 = 76494
Step 123: 76494 + 627 = 77121
Step 124: 77121 + 627 = 77748
Step 125: 77748 + 627 = 78375
Step 126: 78375 + 627 = 79002
Step 127: 79002 + 627 = 79629
Step 128: 79629 + 627 = 80256
Step 129: 80256 + 627 = 80883
Step 130: 80883 + 627 = 81510
Step 131: 81510 + 627 = 82137
Step 132: 82137 + 627 = 82764
Step 133: 82764 + 627 = 83391
Step 134: 83391 + 627 = 84018
Step 135: 84018 + 627 = 84645
Step 136: 84645 + 627 = 85272
Step 137: 85272 + 627 = 85899
Step 138: 85899 + 627 = 86526
Step 139: 86526 + 627 = 87153
Step 140: 87153 + 627 = 87780
Step 141: 87780 + 627 = 88407
Step 142: 88407 + 627 = 89034
Step 143: 89034 + 627 = 89661
Step 144: 89661 + 627 = 90288
Step 145: 90288 + 627 = 90915
Step 146: 90915 + 627 = 91542
Step 147: 91542 + 627 = 92169
Step 148: 92169 + 627 = 92796
Step 149: 92796 + 627 = 93423
Step 150: 93423 + 627 = 94050
Step 151: 94050 + 627 = 94677
Step 152: 94677 + 627 = 95304
Step 153: 95304 + 627 = 95931
Step 154: 95931 + 627 = 96558
Step 155: 96558 + 627 = 97185
Step 156: 97185 + 627 = 97812
Step 157: 97812 + 627 = 98439
Step 158: 98439 + 627 = 99066
Step 159: 99066 + 627 = 99693
Step 160: 99693 + 627 = 100320
Step 161: 100320 + 627 = 100947
Step 162: 100947 + 627 = 101574
Step 163: 101574 + 627 = 102201
Step 164: 102201 + 627 = 102828
Step 165: 102828 + 627 = 103455
Step 166: 103455 + 627 = 104082
Step 167: 104082 + 627 = 104709
Step 168: 104709 + 627 = 105336
Step 169: 105336 + 627 = 105963
Step 170: 105963 + 627 = 106590
Step 171: 106590 + 627 = 107217
Step 172: 107217 + 627 = 107844
Step 173: 107844 + 627 = 108471
Step 174: 108471 + 627 = 109098
Step 175: 109098 + 627 = 109725
Step 176: 109725 + 627 = 110352
Step 177: 110352 + 627 = 110979
Step 178: 110979 + 627 = 111606
Step 179: 111606 + 627 = 112233
Step 180: 112233 + 627 = 112860
Step 181: 112860 + 627 = 113487
Step 182: 113487 + 627 = 114114
Step 183: 114114 + 627 = 114741
Step 184: 114741 + 627 = 115368
Step 185: 115368 + 627 = 115995
Step 186: 115995 + 627 = 116622
Step 187: 116622 + 627 = 117249
Step 188: 117249 + 627 = 117876
Step 189: 117876 + 627 = 118503
Step 190: 118503 + 627 = 119130
Step 191: 119130 + 627 = 119757
Step 192: 119757 + 627 = 120384
Step 193: 120384 + 627 = 121011
Step 194: 121011 + 627 = 121638
Step 195: 121638 + 627 = 122265
Step 196: 122265 + 627 = 122892
Step 197: 122892 + 627 = 123519
Step 198: 123519 + 627 = 124146
Step 199: 124146 + 627 = 124773
Step 200: 124773 + 627 = 125400
Step 201: 125400 + 627 = 126027
Step 202: 126027 + 627 = 126654
Step 203: 126654 + 627 = 127281
Step 204: 127281 + 627 = 127908
Step 205: 127908 + 627 = 128535
Step 206: 128535 + 627 = 129162
Step 207: 129162 + 627 = 129789
Step 208: 129789 + 627 = 130416
Step 209: 130416 + 627 = 131043
Step 210: 131043 + 627 = 131670

So, 627*210 = 131670