OK, let's work through this together. We're starting with 538 and we're going to multiply it by 386, which means we add 538 to itself 386 times.
Step 1: 0 + 538 = 538
Step 2: 538 + 538 = 1076
Step 3: 1076 + 538 = 1614
Step 4: 1614 + 538 = 2152
Step 5: 2152 + 538 = 2690
Step 6: 2690 + 538 = 3228
Step 7: 3228 + 538 = 3766
Step 8: 3766 + 538 = 4304
Step 9: 4304 + 538 = 4842
Step 10: 4842 + 538 = 5380
Step 11: 5380 + 538 = 5918
Step 12: 5918 + 538 = 6456
Step 13: 6456 + 538 = 6994
Step 14: 6994 + 538 = 7532
Step 15: 7532 + 538 = 8070
Step 16: 8070 + 538 = 8608
Step 17: 8608 + 538 = 9146
Step 18: 9146 + 538 = 9684
Step 19: 9684 + 538 = 10222
Step 20: 10222 + 538 = 10760
Step 21: 10760 + 538 = 11298
Step 22: 11298 + 538 = 11836
Step 23: 11836 + 538 = 12374
Step 24: 12374 + 538 = 12912
Step 25: 12912 + 538 = 13450
Step 26: 13450 + 538 = 13988
Step 27: 13988 + 538 = 14526
Step 28: 14526 + 538 = 15064
Step 29: 15064 + 538 = 15602
Step 30: 15602 + 538 = 16140
Step 31: 16140 + 538 = 16678
Step 32: 16678 + 538 = 17216
Step 33: 17216 + 538 = 17754
Step 34: 17754 + 538 = 18292
Step 35: 18292 + 538 = 18830
Step 36: 18830 + 538 = 19368
Step 37: 19368 + 538 = 19906
Step 38: 19906 + 538 = 20444
Step 39: 20444 + 538 = 20982
Step 40: 20982 + 538 = 21520
Step 41: 21520 + 538 = 22058
Step 42: 22058 + 538 = 22596
Step 43: 22596 + 538 = 23134
Step 44: 23134 + 538 = 23672
Step 45: 23672 + 538 = 24210
Step 46: 24210 + 538 = 24748
Step 47: 24748 + 538 = 25286
Step 48: 25286 + 538 = 25824
Step 49: 25824 + 538 = 26362
Step 50: 26362 + 538 = 26900
Step 51: 26900 + 538 = 27438
Step 52: 27438 + 538 = 27976
Step 53: 27976 + 538 = 28514
Step 54: 28514 + 538 = 29052
Step 55: 29052 + 538 = 29590
Step 56: 29590 + 538 = 30128
Step 57: 30128 + 538 = 30666
Step 58: 30666 + 538 = 31204
Step 59: 31204 + 538 = 31742
Step 60: 31742 + 538 = 32280
Step 61: 32280 + 538 = 32818
Step 62: 32818 + 538 = 33356
Step 63: 33356 + 538 = 33894
Step 64: 33894 + 538 = 34432
Step 65: 34432 + 538 = 34970
Step 66: 34970 + 538 = 35508
Step 67: 35508 + 538 = 36046
Step 68: 36046 + 538 = 36584
Step 69: 36584 + 538 = 37122
Step 70: 37122 + 538 = 37660
Step 71: 37660 + 538 = 38198
Step 72: 38198 + 538 = 38736
Step 73: 38736 + 538 = 39274
Step 74: 39274 + 538 = 39812
Step 75: 39812 + 538 = 40350
Step 76: 40350 + 538 = 40888
Step 77: 40888 + 538 = 41426
Step 78: 41426 + 538 = 41964
Step 79: 41964 + 538 = 42502
Step 80: 42502 + 538 = 43040
Step 81: 43040 + 538 = 43578
Step 82: 43578 + 538 = 44116
Step 83: 44116 + 538 = 44654
Step 84: 44654 + 538 = 45192
Step 85: 45192 + 538 = 45730
Step 86: 45730 + 538 = 46268
Step 87: 46268 + 538 = 46806
Step 88: 46806 + 538 = 47344
Step 89: 47344 + 538 = 47882
Step 90: 47882 + 538 = 48420
Step 91: 48420 + 538 = 48958
Step 92: 48958 + 538 = 49496
Step 93: 49496 + 538 = 50034
Step 94: 50034 + 538 = 50572
Step 95: 50572 + 538 = 51110
Step 96: 51110 + 538 = 51648
Step 97: 51648 + 538 = 52186
Step 98: 52186 + 538 = 52724
Step 99: 52724 + 538 = 53262
Step 100: 53262 + 538 = 53800
Step 101: 53800 + 538 = 54338
Step 102: 54338 + 538 = 54876
Step 103: 54876 + 538 = 55414
Step 104: 55414 + 538 = 55952
Step 105: 55952 + 538 = 56490
Step 106: 56490 + 538 = 57028
Step 107: 57028 + 538 = 57566
Step 108: 57566 + 538 = 58104
Step 109: 58104 + 538 = 58642
Step 110: 58642 + 538 = 59180
Step 111: 59180 + 538 = 59718
Step 112: 59718 + 538 = 60256
Step 113: 60256 + 538 = 60794
Step 114: 60794 + 538 = 61332
Step 115: 61332 + 538 = 61870
Step 116: 61870 + 538 = 62408
Step 117: 62408 + 538 = 62946
Step 118: 62946 + 538 = 63484
Step 119: 63484 + 538 = 64022
Step 120: 64022 + 538 = 64560
Step 121: 64560 + 538 = 65098
Step 122: 65098 + 538 = 65636
Step 123: 65636 + 538 = 66174
Step 124: 66174 + 538 = 66712
Step 125: 66712 + 538 = 67250
Step 126: 67250 + 538 = 67788
Step 127: 67788 + 538 = 68326
Step 128: 68326 + 538 = 68864
Step 129: 68864 + 538 = 69402
Step 130: 69402 + 538 = 69940
Step 131: 69940 + 538 = 70478
Step 132: 70478 + 538 = 71016
Step 133: 71016 + 538 = 71554
Step 134: 71554 + 538 = 72092
Step 135: 72092 + 538 = 72630
Step 136: 72630 + 538 = 73168
Step 137: 73168 + 538 = 73706
Step 138: 73706 + 538 = 74244
Step 139: 74244 + 538 = 74782
Step 140: 74782 + 538 = 75320
Step 141: 75320 + 538 = 75858
Step 142: 75858 + 538 = 76396
Step 143: 76396 + 538 = 76934
Step 144: 76934 + 538 = 77472
Step 145: 77472 + 538 = 78010
Step 146: 78010 + 538 = 78548
Step 147: 78548 + 538 = 79086
Step 148: 79086 + 538 = 79624
Step 149: 79624 + 538 = 80162
Step 150: 80162 + 538 = 80700
Step 151: 80700 + 538 = 81238
Step 152: 81238 + 538 = 81776
Step 153: 81776 + 538 = 82314
Step 154: 82314 + 538 = 82852
Step 155: 82852 + 538 = 83390
Step 156: 83390 + 538 = 83928
Step 157: 83928 + 538 = 84466
Step 158: 84466 + 538 = 85004
Step 159: 85004 + 538 = 85542
Step 160: 85542 + 538 = 86080
Step 161: 86080 + 538 = 86618
Step 162: 86618 + 538 = 87156
Step 163: 87156 + 538 = 87694
Step 164: 87694 + 538 = 88232
Step 165: 88232 + 538 = 88770
Step 166: 88770 + 538 = 89308
Step 167: 89308 + 538 = 89846
Step 168: 89846 + 538 = 90384
Step 169: 90384 + 538 = 90922
Step 170: 90922 + 538 = 91460
Step 171: 91460 + 538 = 91998
Step 172: 91998 + 538 = 92536
Step 173: 92536 + 538 = 93074
Step 174: 93074 + 538 = 93612
Step 175: 93612 + 538 = 94150
Step 176: 94150 + 538 = 94688
Step 177: 94688 + 538 = 95226
Step 178: 95226 + 538 = 95764
Step 179: 95764 + 538 = 96302
Step 180: 96302 + 538 = 96840
Step 181: 96840 + 538 = 97378
Step 182: 97378 + 538 = 97916
Step 183: 97916 + 538 = 98454
Step 184: 98454 + 538 = 98992
Step 185: 98992 + 538 = 99530
Step 186: 99530 + 538 = 100068
Step 187: 100068 + 538 = 100606
Step 188: 100606 + 538 = 101144
Step 189: 101144 + 538 = 101682
Step 190: 101682 + 538 = 102220
Step 191: 102220 + 538 = 102758
Step 192: 102758 + 538 = 103296
Step 193: 103296 + 538 = 103834
Step 194: 103834 + 538 = 104372
Step 195: 104372 + 538 = 104910
Step 196: 104910 + 538 = 105448
Step 197: 105448 + 538 = 105986
Step 198: 105986 + 538 = 106524
Step 199: 106524 + 538 = 107062
Step 200: 107062 + 538 = 107600
Step 201: 107600 + 538 = 108138
Step 202: 108138 + 538 = 108676
Step 203: 108676 + 538 = 109214
Step 204: 109214 + 538 = 109752
Step 205: 109752 + 538 = 110290
Step 206: 110290 + 538 = 110828
Step 207: 110828 + 538 = 111366
Step 208: 111366 + 538 = 111904
Step 209: 111904 + 538 = 112442
Step 210: 112442 + 538 = 112980
Step 211: 112980 + 538 = 113518
Step 212: 113518 + 538 = 114056
Step 213: 114056 + 538 = 114594
Step 214: 114594 + 538 = 115132
Step 215: 115132 + 538 = 115670
Step 216: 115670 + 538 = 116208
Step 217: 116208 + 538 = 116746
Step 218: 116746 + 538 = 117284
Step 219: 117284 + 538 = 117822
Step 220: 117822 + 538 = 118360
Step 221: 118360 + 538 = 118898
Step 222: 118898 + 538 = 119436
Step 223: 119436 + 538 = 119974
Step 224: 119974 + 538 = 120512
Step 225: 120512 + 538 = 121050
Step 226: 121050 + 538 = 121588
Step 227: 121588 + 538 = 122126
Step 228: 122126 + 538 = 122664
Step 229: 122664 + 538 = 123202
Step 230: 123202 + 538 = 123740
Step 231: 123740 + 538 = 124278
Step 232: 124278 + 538 = 124816
Step 233: 124816 + 538 = 125354
Step 234: 125354 + 538 = 125892
Step 235: 125892 + 538 = 126430
Step 236: 126430 + 538 = 126968
Step 237: 126968 + 538 = 127506
Step 238: 127506 + 538 = 128044
Step 239: 128044 + 538 = 128582
Step 240: 128582 + 538 = 129120
Step 241: 129120 + 538 = 129658
Step 242: 129658 + 538 = 130196
Step 243: 130196 + 538 = 130734
Step 244: 130734 + 538 = 131272
Step 245: 131272 + 538 = 131810
Step 246: 131810 + 538 = 132348
Step 247: 132348 + 538 = 132886
Step 248: 132886 + 538 = 133424
Step 249: 133424 + 538 = 133962
Step 250: 133962 + 538 = 134500
Step 251: 134500 + 538 = 135038
Step 252: 135038 + 538 = 135576
Step 253: 135576 + 538 = 136114
Step 254: 136114 + 538 = 136652
Step 255: 136652 + 538 = 137190
Step 256: 137190 + 538 = 137728
Step 257: 137728 + 538 = 138266
Step 258: 138266 + 538 = 138804
Step 259: 138804 + 538 = 139342
Step 260: 139342 + 538 = 139880
Step 261: 139880 + 538 = 140418
Step 262: 140418 + 538 = 140956
Step 263: 140956 + 538 = 141494
Step 264: 141494 + 538 = 142032
Step 265: 142032 + 538 = 142570
Step 266: 142570 + 538 = 143108
Step 267: 143108 + 538 = 143646
Step 268: 143646 + 538 = 144184
Step 269: 144184 + 538 = 144722
Step 270: 144722 + 538 = 145260
Step 271: 145260 + 538 = 145798
Step 272: 145798 + 538 = 146336
Step 273: 146336 + 538 = 146874
Step 274: 146874 + 538 = 147412
Step 275: 147412 + 538 = 147950
Step 276: 147950 + 538 = 148488
Step 277: 148488 + 538 = 149026
Step 278: 149026 + 538 = 149564
Step 279: 149564 + 538 = 150102
Step 280: 150102 + 538 = 150640
Step 281: 150640 + 538 = 151178
Step 282: 151178 + 538 = 151716
Step 283: 151716 + 538 = 152254
Step 284: 152254 + 538 = 152792
Step 285: 152792 + 538 = 153330
Step 286: 153330 + 538 = 153868
Step 287: 153868 + 538 = 154406
Step 288: 154406 + 538 = 154944
Step 289: 154944 + 538 = 155482
Step 290: 155482 + 538 = 156020
Step 291: 156020 + 538 = 156558
Step 292: 156558 + 538 = 157096
Step 293: 157096 + 538 = 157634
Step 294: 157634 + 538 = 158172
Step 295: 158172 + 538 = 158710
Step 296: 158710 + 538 = 159248
Step 297: 159248 + 538 = 159786
Step 298: 159786 + 538 = 160324
Step 299: 160324 + 538 = 160862
Step 300: 160862 + 538 = 161400
Step 301: 161400 + 538 = 161938
Step 302: 161938 + 538 = 162476
Step 303: 162476 + 538 = 163014
Step 304: 163014 + 538 = 163552
Step 305: 163552 + 538 = 164090
Step 306: 164090 + 538 = 164628
Step 307: 164628 + 538 = 165166
Step 308: 165166 + 538 = 165704
Step 309: 165704 + 538 = 166242
Step 310: 166242 + 538 = 166780
Step 311: 166780 + 538 = 167318
Step 312: 167318 + 538 = 167856
Step 313: 167856 + 538 = 168394
Step 314: 168394 + 538 = 168932
Step 315: 168932 + 538 = 169470
Step 316: 169470 + 538 = 170008
Step 317: 170008 + 538 = 170546
Step 318: 170546 + 538 = 171084
Step 319: 171084 + 538 = 171622
Step 320: 171622 + 538 = 172160
Step 321: 172160 + 538 = 172698
Step 322: 172698 + 538 = 173236
Step 323: 173236 + 538 = 173774
Step 324: 173774 + 538 = 174312
Step 325: 174312 + 538 = 174850
Step 326: 174850 + 538 = 175388
Step 327: 175388 + 538 = 175926
Step 328: 175926 + 538 = 176464
Step 329: 176464 + 538 = 177002
Step 330: 177002 + 538 = 177540
Step 331: 177540 + 538 = 178078
Step 332: 178078 + 538 = 178616
Step 333: 178616 + 538 = 179154
Step 334: 179154 + 538 = 179692
Step 335: 179692 + 538 = 180230
Step 336: 180230 + 538 = 180768
Step 337: 180768 + 538 = 181306
Step 338: 181306 + 538 = 181844
Step 339: 181844 + 538 = 182382
Step 340: 182382 + 538 = 182920
Step 341: 182920 + 538 = 183458
Step 342: 183458 + 538 = 183996
Step 343: 183996 + 538 = 184534
Step 344: 184534 + 538 = 185072
Step 345: 185072 + 538 = 185610
Step 346: 185610 + 538 = 186148
Step 347: 186148 + 538 = 186686
Step 348: 186686 + 538 = 187224
Step 349: 187224 + 538 = 187762
Step 350: 187762 + 538 = 188300
Step 351: 188300 + 538 = 188838
Step 352: 188838 + 538 = 189376
Step 353: 189376 + 538 = 189914
Step 354: 189914 + 538 = 190452
Step 355: 190452 + 538 = 190990
Step 356: 190990 + 538 = 191528
Step 357: 191528 + 538 = 192066
Step 358: 192066 + 538 = 192604
Step 359: 192604 + 538 = 193142
Step 360: 193142 + 538 = 193680
Step 361: 193680 + 538 = 194218
Step 362: 194218 + 538 = 194756
Step 363: 194756 + 538 = 195294
Step 364: 195294 + 538 = 195832
Step 365: 195832 + 538 = 196370
Step 366: 196370 + 538 = 196908
Step 367: 196908 + 538 = 197446
Step 368: 197446 + 538 = 197984
Step 369: 197984 + 538 = 198522
Step 370: 198522 + 538 = 199060
Step 371: 199060 + 538 = 199598
Step 372: 199598 + 538 = 200136
Step 373: 200136 + 538 = 200674
Step 374: 200674 + 538 = 201212
Step 375: 201212 + 538 = 201750
Step 376: 201750 + 538 = 202288
Step 377: 202288 + 538 = 202826
Step 378: 202826 + 538 = 203364
Step 379: 203364 + 538 = 203902
Step 380: 203902 + 538 = 204440
Step 381: 204440 + 538 = 204978
Step 382: 204978 + 538 = 205516
Step 383: 205516 + 538 = 206054
Step 384: 206054 + 538 = 206592
Step 385: 206592 + 538 = 207130
Step 386: 207130 + 538 = 207668

So, 538*386 = 207668