Let's roll up our sleeves and solve this. We have 207 and we're going to multiply it by 401, essentially adding 207 to itself 401 times.
Step 1: 0 + 207 = 207
Step 2: 207 + 207 = 414
Step 3: 414 + 207 = 621
Step 4: 621 + 207 = 828
Step 5: 828 + 207 = 1035
Step 6: 1035 + 207 = 1242
Step 7: 1242 + 207 = 1449
Step 8: 1449 + 207 = 1656
Step 9: 1656 + 207 = 1863
Step 10: 1863 + 207 = 2070
Step 11: 2070 + 207 = 2277
Step 12: 2277 + 207 = 2484
Step 13: 2484 + 207 = 2691
Step 14: 2691 + 207 = 2898
Step 15: 2898 + 207 = 3105
Step 16: 3105 + 207 = 3312
Step 17: 3312 + 207 = 3519
Step 18: 3519 + 207 = 3726
Step 19: 3726 + 207 = 3933
Step 20: 3933 + 207 = 4140
Step 21: 4140 + 207 = 4347
Step 22: 4347 + 207 = 4554
Step 23: 4554 + 207 = 4761
Step 24: 4761 + 207 = 4968
Step 25: 4968 + 207 = 5175
Step 26: 5175 + 207 = 5382
Step 27: 5382 + 207 = 5589
Step 28: 5589 + 207 = 5796
Step 29: 5796 + 207 = 6003
Step 30: 6003 + 207 = 6210
Step 31: 6210 + 207 = 6417
Step 32: 6417 + 207 = 6624
Step 33: 6624 + 207 = 6831
Step 34: 6831 + 207 = 7038
Step 35: 7038 + 207 = 7245
Step 36: 7245 + 207 = 7452
Step 37: 7452 + 207 = 7659
Step 38: 7659 + 207 = 7866
Step 39: 7866 + 207 = 8073
Step 40: 8073 + 207 = 8280
Step 41: 8280 + 207 = 8487
Step 42: 8487 + 207 = 8694
Step 43: 8694 + 207 = 8901
Step 44: 8901 + 207 = 9108
Step 45: 9108 + 207 = 9315
Step 46: 9315 + 207 = 9522
Step 47: 9522 + 207 = 9729
Step 48: 9729 + 207 = 9936
Step 49: 9936 + 207 = 10143
Step 50: 10143 + 207 = 10350
Step 51: 10350 + 207 = 10557
Step 52: 10557 + 207 = 10764
Step 53: 10764 + 207 = 10971
Step 54: 10971 + 207 = 11178
Step 55: 11178 + 207 = 11385
Step 56: 11385 + 207 = 11592
Step 57: 11592 + 207 = 11799
Step 58: 11799 + 207 = 12006
Step 59: 12006 + 207 = 12213
Step 60: 12213 + 207 = 12420
Step 61: 12420 + 207 = 12627
Step 62: 12627 + 207 = 12834
Step 63: 12834 + 207 = 13041
Step 64: 13041 + 207 = 13248
Step 65: 13248 + 207 = 13455
Step 66: 13455 + 207 = 13662
Step 67: 13662 + 207 = 13869
Step 68: 13869 + 207 = 14076
Step 69: 14076 + 207 = 14283
Step 70: 14283 + 207 = 14490
Step 71: 14490 + 207 = 14697
Step 72: 14697 + 207 = 14904
Step 73: 14904 + 207 = 15111
Step 74: 15111 + 207 = 15318
Step 75: 15318 + 207 = 15525
Step 76: 15525 + 207 = 15732
Step 77: 15732 + 207 = 15939
Step 78: 15939 + 207 = 16146
Step 79: 16146 + 207 = 16353
Step 80: 16353 + 207 = 16560
Step 81: 16560 + 207 = 16767
Step 82: 16767 + 207 = 16974
Step 83: 16974 + 207 = 17181
Step 84: 17181 + 207 = 17388
Step 85: 17388 + 207 = 17595
Step 86: 17595 + 207 = 17802
Step 87: 17802 + 207 = 18009
Step 88: 18009 + 207 = 18216
Step 89: 18216 + 207 = 18423
Step 90: 18423 + 207 = 18630
Step 91: 18630 + 207 = 18837
Step 92: 18837 + 207 = 19044
Step 93: 19044 + 207 = 19251
Step 94: 19251 + 207 = 19458
Step 95: 19458 + 207 = 19665
Step 96: 19665 + 207 = 19872
Step 97: 19872 + 207 = 20079
Step 98: 20079 + 207 = 20286
Step 99: 20286 + 207 = 20493
Step 100: 20493 + 207 = 20700
Step 101: 20700 + 207 = 20907
Step 102: 20907 + 207 = 21114
Step 103: 21114 + 207 = 21321
Step 104: 21321 + 207 = 21528
Step 105: 21528 + 207 = 21735
Step 106: 21735 + 207 = 21942
Step 107: 21942 + 207 = 22149
Step 108: 22149 + 207 = 22356
Step 109: 22356 + 207 = 22563
Step 110: 22563 + 207 = 22770
Step 111: 22770 + 207 = 22977
Step 112: 22977 + 207 = 23184
Step 113: 23184 + 207 = 23391
Step 114: 23391 + 207 = 23598
Step 115: 23598 + 207 = 23805
Step 116: 23805 + 207 = 24012
Step 117: 24012 + 207 = 24219
Step 118: 24219 + 207 = 24426
Step 119: 24426 + 207 = 24633
Step 120: 24633 + 207 = 24840
Step 121: 24840 + 207 = 25047
Step 122: 25047 + 207 = 25254
Step 123: 25254 + 207 = 25461
Step 124: 25461 + 207 = 25668
Step 125: 25668 + 207 = 25875
Step 126: 25875 + 207 = 26082
Step 127: 26082 + 207 = 26289
Step 128: 26289 + 207 = 26496
Step 129: 26496 + 207 = 26703
Step 130: 26703 + 207 = 26910
Step 131: 26910 + 207 = 27117
Step 132: 27117 + 207 = 27324
Step 133: 27324 + 207 = 27531
Step 134: 27531 + 207 = 27738
Step 135: 27738 + 207 = 27945
Step 136: 27945 + 207 = 28152
Step 137: 28152 + 207 = 28359
Step 138: 28359 + 207 = 28566
Step 139: 28566 + 207 = 28773
Step 140: 28773 + 207 = 28980
Step 141: 28980 + 207 = 29187
Step 142: 29187 + 207 = 29394
Step 143: 29394 + 207 = 29601
Step 144: 29601 + 207 = 29808
Step 145: 29808 + 207 = 30015
Step 146: 30015 + 207 = 30222
Step 147: 30222 + 207 = 30429
Step 148: 30429 + 207 = 30636
Step 149: 30636 + 207 = 30843
Step 150: 30843 + 207 = 31050
Step 151: 31050 + 207 = 31257
Step 152: 31257 + 207 = 31464
Step 153: 31464 + 207 = 31671
Step 154: 31671 + 207 = 31878
Step 155: 31878 + 207 = 32085
Step 156: 32085 + 207 = 32292
Step 157: 32292 + 207 = 32499
Step 158: 32499 + 207 = 32706
Step 159: 32706 + 207 = 32913
Step 160: 32913 + 207 = 33120
Step 161: 33120 + 207 = 33327
Step 162: 33327 + 207 = 33534
Step 163: 33534 + 207 = 33741
Step 164: 33741 + 207 = 33948
Step 165: 33948 + 207 = 34155
Step 166: 34155 + 207 = 34362
Step 167: 34362 + 207 = 34569
Step 168: 34569 + 207 = 34776
Step 169: 34776 + 207 = 34983
Step 170: 34983 + 207 = 35190
Step 171: 35190 + 207 = 35397
Step 172: 35397 + 207 = 35604
Step 173: 35604 + 207 = 35811
Step 174: 35811 + 207 = 36018
Step 175: 36018 + 207 = 36225
Step 176: 36225 + 207 = 36432
Step 177: 36432 + 207 = 36639
Step 178: 36639 + 207 = 36846
Step 179: 36846 + 207 = 37053
Step 180: 37053 + 207 = 37260
Step 181: 37260 + 207 = 37467
Step 182: 37467 + 207 = 37674
Step 183: 37674 + 207 = 37881
Step 184: 37881 + 207 = 38088
Step 185: 38088 + 207 = 38295
Step 186: 38295 + 207 = 38502
Step 187: 38502 + 207 = 38709
Step 188: 38709 + 207 = 38916
Step 189: 38916 + 207 = 39123
Step 190: 39123 + 207 = 39330
Step 191: 39330 + 207 = 39537
Step 192: 39537 + 207 = 39744
Step 193: 39744 + 207 = 39951
Step 194: 39951 + 207 = 40158
Step 195: 40158 + 207 = 40365
Step 196: 40365 + 207 = 40572
Step 197: 40572 + 207 = 40779
Step 198: 40779 + 207 = 40986
Step 199: 40986 + 207 = 41193
Step 200: 41193 + 207 = 41400
Step 201: 41400 + 207 = 41607
Step 202: 41607 + 207 = 41814
Step 203: 41814 + 207 = 42021
Step 204: 42021 + 207 = 42228
Step 205: 42228 + 207 = 42435
Step 206: 42435 + 207 = 42642
Step 207: 42642 + 207 = 42849
Step 208: 42849 + 207 = 43056
Step 209: 43056 + 207 = 43263
Step 210: 43263 + 207 = 43470
Step 211: 43470 + 207 = 43677
Step 212: 43677 + 207 = 43884
Step 213: 43884 + 207 = 44091
Step 214: 44091 + 207 = 44298
Step 215: 44298 + 207 = 44505
Step 216: 44505 + 207 = 44712
Step 217: 44712 + 207 = 44919
Step 218: 44919 + 207 = 45126
Step 219: 45126 + 207 = 45333
Step 220: 45333 + 207 = 45540
Step 221: 45540 + 207 = 45747
Step 222: 45747 + 207 = 45954
Step 223: 45954 + 207 = 46161
Step 224: 46161 + 207 = 46368
Step 225: 46368 + 207 = 46575
Step 226: 46575 + 207 = 46782
Step 227: 46782 + 207 = 46989
Step 228: 46989 + 207 = 47196
Step 229: 47196 + 207 = 47403
Step 230: 47403 + 207 = 47610
Step 231: 47610 + 207 = 47817
Step 232: 47817 + 207 = 48024
Step 233: 48024 + 207 = 48231
Step 234: 48231 + 207 = 48438
Step 235: 48438 + 207 = 48645
Step 236: 48645 + 207 = 48852
Step 237: 48852 + 207 = 49059
Step 238: 49059 + 207 = 49266
Step 239: 49266 + 207 = 49473
Step 240: 49473 + 207 = 49680
Step 241: 49680 + 207 = 49887
Step 242: 49887 + 207 = 50094
Step 243: 50094 + 207 = 50301
Step 244: 50301 + 207 = 50508
Step 245: 50508 + 207 = 50715
Step 246: 50715 + 207 = 50922
Step 247: 50922 + 207 = 51129
Step 248: 51129 + 207 = 51336
Step 249: 51336 + 207 = 51543
Step 250: 51543 + 207 = 51750
Step 251: 51750 + 207 = 51957
Step 252: 51957 + 207 = 52164
Step 253: 52164 + 207 = 52371
Step 254: 52371 + 207 = 52578
Step 255: 52578 + 207 = 52785
Step 256: 52785 + 207 = 52992
Step 257: 52992 + 207 = 53199
Step 258: 53199 + 207 = 53406
Step 259: 53406 + 207 = 53613
Step 260: 53613 + 207 = 53820
Step 261: 53820 + 207 = 54027
Step 262: 54027 + 207 = 54234
Step 263: 54234 + 207 = 54441
Step 264: 54441 + 207 = 54648
Step 265: 54648 + 207 = 54855
Step 266: 54855 + 207 = 55062
Step 267: 55062 + 207 = 55269
Step 268: 55269 + 207 = 55476
Step 269: 55476 + 207 = 55683
Step 270: 55683 + 207 = 55890
Step 271: 55890 + 207 = 56097
Step 272: 56097 + 207 = 56304
Step 273: 56304 + 207 = 56511
Step 274: 56511 + 207 = 56718
Step 275: 56718 + 207 = 56925
Step 276: 56925 + 207 = 57132
Step 277: 57132 + 207 = 57339
Step 278: 57339 + 207 = 57546
Step 279: 57546 + 207 = 57753
Step 280: 57753 + 207 = 57960
Step 281: 57960 + 207 = 58167
Step 282: 58167 + 207 = 58374
Step 283: 58374 + 207 = 58581
Step 284: 58581 + 207 = 58788
Step 285: 58788 + 207 = 58995
Step 286: 58995 + 207 = 59202
Step 287: 59202 + 207 = 59409
Step 288: 59409 + 207 = 59616
Step 289: 59616 + 207 = 59823
Step 290: 59823 + 207 = 60030
Step 291: 60030 + 207 = 60237
Step 292: 60237 + 207 = 60444
Step 293: 60444 + 207 = 60651
Step 294: 60651 + 207 = 60858
Step 295: 60858 + 207 = 61065
Step 296: 61065 + 207 = 61272
Step 297: 61272 + 207 = 61479
Step 298: 61479 + 207 = 61686
Step 299: 61686 + 207 = 61893
Step 300: 61893 + 207 = 62100
Step 301: 62100 + 207 = 62307
Step 302: 62307 + 207 = 62514
Step 303: 62514 + 207 = 62721
Step 304: 62721 + 207 = 62928
Step 305: 62928 + 207 = 63135
Step 306: 63135 + 207 = 63342
Step 307: 63342 + 207 = 63549
Step 308: 63549 + 207 = 63756
Step 309: 63756 + 207 = 63963
Step 310: 63963 + 207 = 64170
Step 311: 64170 + 207 = 64377
Step 312: 64377 + 207 = 64584
Step 313: 64584 + 207 = 64791
Step 314: 64791 + 207 = 64998
Step 315: 64998 + 207 = 65205
Step 316: 65205 + 207 = 65412
Step 317: 65412 + 207 = 65619
Step 318: 65619 + 207 = 65826
Step 319: 65826 + 207 = 66033
Step 320: 66033 + 207 = 66240
Step 321: 66240 + 207 = 66447
Step 322: 66447 + 207 = 66654
Step 323: 66654 + 207 = 66861
Step 324: 66861 + 207 = 67068
Step 325: 67068 + 207 = 67275
Step 326: 67275 + 207 = 67482
Step 327: 67482 + 207 = 67689
Step 328: 67689 + 207 = 67896
Step 329: 67896 + 207 = 68103
Step 330: 68103 + 207 = 68310
Step 331: 68310 + 207 = 68517
Step 332: 68517 + 207 = 68724
Step 333: 68724 + 207 = 68931
Step 334: 68931 + 207 = 69138
Step 335: 69138 + 207 = 69345
Step 336: 69345 + 207 = 69552
Step 337: 69552 + 207 = 69759
Step 338: 69759 + 207 = 69966
Step 339: 69966 + 207 = 70173
Step 340: 70173 + 207 = 70380
Step 341: 70380 + 207 = 70587
Step 342: 70587 + 207 = 70794
Step 343: 70794 + 207 = 71001
Step 344: 71001 + 207 = 71208
Step 345: 71208 + 207 = 71415
Step 346: 71415 + 207 = 71622
Step 347: 71622 + 207 = 71829
Step 348: 71829 + 207 = 72036
Step 349: 72036 + 207 = 72243
Step 350: 72243 + 207 = 72450
Step 351: 72450 + 207 = 72657
Step 352: 72657 + 207 = 72864
Step 353: 72864 + 207 = 73071
Step 354: 73071 + 207 = 73278
Step 355: 73278 + 207 = 73485
Step 356: 73485 + 207 = 73692
Step 357: 73692 + 207 = 73899
Step 358: 73899 + 207 = 74106
Step 359: 74106 + 207 = 74313
Step 360: 74313 + 207 = 74520
Step 361: 74520 + 207 = 74727
Step 362: 74727 + 207 = 74934
Step 363: 74934 + 207 = 75141
Step 364: 75141 + 207 = 75348
Step 365: 75348 + 207 = 75555
Step 366: 75555 + 207 = 75762
Step 367: 75762 + 207 = 75969
Step 368: 75969 + 207 = 76176
Step 369: 76176 + 207 = 76383
Step 370: 76383 + 207 = 76590
Step 371: 76590 + 207 = 76797
Step 372: 76797 + 207 = 77004
Step 373: 77004 + 207 = 77211
Step 374: 77211 + 207 = 77418
Step 375: 77418 + 207 = 77625
Step 376: 77625 + 207 = 77832
Step 377: 77832 + 207 = 78039
Step 378: 78039 + 207 = 78246
Step 379: 78246 + 207 = 78453
Step 380: 78453 + 207 = 78660
Step 381: 78660 + 207 = 78867
Step 382: 78867 + 207 = 79074
Step 383: 79074 + 207 = 79281
Step 384: 79281 + 207 = 79488
Step 385: 79488 + 207 = 79695
Step 386: 79695 + 207 = 79902
Step 387: 79902 + 207 = 80109
Step 388: 80109 + 207 = 80316
Step 389: 80316 + 207 = 80523
Step 390: 80523 + 207 = 80730
Step 391: 80730 + 207 = 80937
Step 392: 80937 + 207 = 81144
Step 393: 81144 + 207 = 81351
Step 394: 81351 + 207 = 81558
Step 395: 81558 + 207 = 81765
Step 396: 81765 + 207 = 81972
Step 397: 81972 + 207 = 82179
Step 398: 82179 + 207 = 82386
Step 399: 82386 + 207 = 82593
Step 400: 82593 + 207 = 82800
Step 401: 82800 + 207 = 83007

So, 207*401 = 83007