Let's roll up our sleeves and solve this. We have 619 and we're going to multiply it by 207, essentially adding 619 to itself 207 times.
Step 1: 0 + 619 = 619
Step 2: 619 + 619 = 1238
Step 3: 1238 + 619 = 1857
Step 4: 1857 + 619 = 2476
Step 5: 2476 + 619 = 3095
Step 6: 3095 + 619 = 3714
Step 7: 3714 + 619 = 4333
Step 8: 4333 + 619 = 4952
Step 9: 4952 + 619 = 5571
Step 10: 5571 + 619 = 6190
Step 11: 6190 + 619 = 6809
Step 12: 6809 + 619 = 7428
Step 13: 7428 + 619 = 8047
Step 14: 8047 + 619 = 8666
Step 15: 8666 + 619 = 9285
Step 16: 9285 + 619 = 9904
Step 17: 9904 + 619 = 10523
Step 18: 10523 + 619 = 11142
Step 19: 11142 + 619 = 11761
Step 20: 11761 + 619 = 12380
Step 21: 12380 + 619 = 12999
Step 22: 12999 + 619 = 13618
Step 23: 13618 + 619 = 14237
Step 24: 14237 + 619 = 14856
Step 25: 14856 + 619 = 15475
Step 26: 15475 + 619 = 16094
Step 27: 16094 + 619 = 16713
Step 28: 16713 + 619 = 17332
Step 29: 17332 + 619 = 17951
Step 30: 17951 + 619 = 18570
Step 31: 18570 + 619 = 19189
Step 32: 19189 + 619 = 19808
Step 33: 19808 + 619 = 20427
Step 34: 20427 + 619 = 21046
Step 35: 21046 + 619 = 21665
Step 36: 21665 + 619 = 22284
Step 37: 22284 + 619 = 22903
Step 38: 22903 + 619 = 23522
Step 39: 23522 + 619 = 24141
Step 40: 24141 + 619 = 24760
Step 41: 24760 + 619 = 25379
Step 42: 25379 + 619 = 25998
Step 43: 25998 + 619 = 26617
Step 44: 26617 + 619 = 27236
Step 45: 27236 + 619 = 27855
Step 46: 27855 + 619 = 28474
Step 47: 28474 + 619 = 29093
Step 48: 29093 + 619 = 29712
Step 49: 29712 + 619 = 30331
Step 50: 30331 + 619 = 30950
Step 51: 30950 + 619 = 31569
Step 52: 31569 + 619 = 32188
Step 53: 32188 + 619 = 32807
Step 54: 32807 + 619 = 33426
Step 55: 33426 + 619 = 34045
Step 56: 34045 + 619 = 34664
Step 57: 34664 + 619 = 35283
Step 58: 35283 + 619 = 35902
Step 59: 35902 + 619 = 36521
Step 60: 36521 + 619 = 37140
Step 61: 37140 + 619 = 37759
Step 62: 37759 + 619 = 38378
Step 63: 38378 + 619 = 38997
Step 64: 38997 + 619 = 39616
Step 65: 39616 + 619 = 40235
Step 66: 40235 + 619 = 40854
Step 67: 40854 + 619 = 41473
Step 68: 41473 + 619 = 42092
Step 69: 42092 + 619 = 42711
Step 70: 42711 + 619 = 43330
Step 71: 43330 + 619 = 43949
Step 72: 43949 + 619 = 44568
Step 73: 44568 + 619 = 45187
Step 74: 45187 + 619 = 45806
Step 75: 45806 + 619 = 46425
Step 76: 46425 + 619 = 47044
Step 77: 47044 + 619 = 47663
Step 78: 47663 + 619 = 48282
Step 79: 48282 + 619 = 48901
Step 80: 48901 + 619 = 49520
Step 81: 49520 + 619 = 50139
Step 82: 50139 + 619 = 50758
Step 83: 50758 + 619 = 51377
Step 84: 51377 + 619 = 51996
Step 85: 51996 + 619 = 52615
Step 86: 52615 + 619 = 53234
Step 87: 53234 + 619 = 53853
Step 88: 53853 + 619 = 54472
Step 89: 54472 + 619 = 55091
Step 90: 55091 + 619 = 55710
Step 91: 55710 + 619 = 56329
Step 92: 56329 + 619 = 56948
Step 93: 56948 + 619 = 57567
Step 94: 57567 + 619 = 58186
Step 95: 58186 + 619 = 58805
Step 96: 58805 + 619 = 59424
Step 97: 59424 + 619 = 60043
Step 98: 60043 + 619 = 60662
Step 99: 60662 + 619 = 61281
Step 100: 61281 + 619 = 61900
Step 101: 61900 + 619 = 62519
Step 102: 62519 + 619 = 63138
Step 103: 63138 + 619 = 63757
Step 104: 63757 + 619 = 64376
Step 105: 64376 + 619 = 64995
Step 106: 64995 + 619 = 65614
Step 107: 65614 + 619 = 66233
Step 108: 66233 + 619 = 66852
Step 109: 66852 + 619 = 67471
Step 110: 67471 + 619 = 68090
Step 111: 68090 + 619 = 68709
Step 112: 68709 + 619 = 69328
Step 113: 69328 + 619 = 69947
Step 114: 69947 + 619 = 70566
Step 115: 70566 + 619 = 71185
Step 116: 71185 + 619 = 71804
Step 117: 71804 + 619 = 72423
Step 118: 72423 + 619 = 73042
Step 119: 73042 + 619 = 73661
Step 120: 73661 + 619 = 74280
Step 121: 74280 + 619 = 74899
Step 122: 74899 + 619 = 75518
Step 123: 75518 + 619 = 76137
Step 124: 76137 + 619 = 76756
Step 125: 76756 + 619 = 77375
Step 126: 77375 + 619 = 77994
Step 127: 77994 + 619 = 78613
Step 128: 78613 + 619 = 79232
Step 129: 79232 + 619 = 79851
Step 130: 79851 + 619 = 80470
Step 131: 80470 + 619 = 81089
Step 132: 81089 + 619 = 81708
Step 133: 81708 + 619 = 82327
Step 134: 82327 + 619 = 82946
Step 135: 82946 + 619 = 83565
Step 136: 83565 + 619 = 84184
Step 137: 84184 + 619 = 84803
Step 138: 84803 + 619 = 85422
Step 139: 85422 + 619 = 86041
Step 140: 86041 + 619 = 86660
Step 141: 86660 + 619 = 87279
Step 142: 87279 + 619 = 87898
Step 143: 87898 + 619 = 88517
Step 144: 88517 + 619 = 89136
Step 145: 89136 + 619 = 89755
Step 146: 89755 + 619 = 90374
Step 147: 90374 + 619 = 90993
Step 148: 90993 + 619 = 91612
Step 149: 91612 + 619 = 92231
Step 150: 92231 + 619 = 92850
Step 151: 92850 + 619 = 93469
Step 152: 93469 + 619 = 94088
Step 153: 94088 + 619 = 94707
Step 154: 94707 + 619 = 95326
Step 155: 95326 + 619 = 95945
Step 156: 95945 + 619 = 96564
Step 157: 96564 + 619 = 97183
Step 158: 97183 + 619 = 97802
Step 159: 97802 + 619 = 98421
Step 160: 98421 + 619 = 99040
Step 161: 99040 + 619 = 99659
Step 162: 99659 + 619 = 100278
Step 163: 100278 + 619 = 100897
Step 164: 100897 + 619 = 101516
Step 165: 101516 + 619 = 102135
Step 166: 102135 + 619 = 102754
Step 167: 102754 + 619 = 103373
Step 168: 103373 + 619 = 103992
Step 169: 103992 + 619 = 104611
Step 170: 104611 + 619 = 105230
Step 171: 105230 + 619 = 105849
Step 172: 105849 + 619 = 106468
Step 173: 106468 + 619 = 107087
Step 174: 107087 + 619 = 107706
Step 175: 107706 + 619 = 108325
Step 176: 108325 + 619 = 108944
Step 177: 108944 + 619 = 109563
Step 178: 109563 + 619 = 110182
Step 179: 110182 + 619 = 110801
Step 180: 110801 + 619 = 111420
Step 181: 111420 + 619 = 112039
Step 182: 112039 + 619 = 112658
Step 183: 112658 + 619 = 113277
Step 184: 113277 + 619 = 113896
Step 185: 113896 + 619 = 114515
Step 186: 114515 + 619 = 115134
Step 187: 115134 + 619 = 115753
Step 188: 115753 + 619 = 116372
Step 189: 116372 + 619 = 116991
Step 190: 116991 + 619 = 117610
Step 191: 117610 + 619 = 118229
Step 192: 118229 + 619 = 118848
Step 193: 118848 + 619 = 119467
Step 194: 119467 + 619 = 120086
Step 195: 120086 + 619 = 120705
Step 196: 120705 + 619 = 121324
Step 197: 121324 + 619 = 121943
Step 198: 121943 + 619 = 122562
Step 199: 122562 + 619 = 123181
Step 200: 123181 + 619 = 123800
Step 201: 123800 + 619 = 124419
Step 202: 124419 + 619 = 125038
Step 203: 125038 + 619 = 125657
Step 204: 125657 + 619 = 126276
Step 205: 126276 + 619 = 126895
Step 206: 126895 + 619 = 127514
Step 207: 127514 + 619 = 128133

So, 619*207 = 128133