Let's roll up our sleeves and solve this. We have 246 and we're going to multiply it by 340, essentially adding 246 to itself 340 times.
Step 1: 0 + 246 = 246
Step 2: 246 + 246 = 492
Step 3: 492 + 246 = 738
Step 4: 738 + 246 = 984
Step 5: 984 + 246 = 1230
Step 6: 1230 + 246 = 1476
Step 7: 1476 + 246 = 1722
Step 8: 1722 + 246 = 1968
Step 9: 1968 + 246 = 2214
Step 10: 2214 + 246 = 2460
Step 11: 2460 + 246 = 2706
Step 12: 2706 + 246 = 2952
Step 13: 2952 + 246 = 3198
Step 14: 3198 + 246 = 3444
Step 15: 3444 + 246 = 3690
Step 16: 3690 + 246 = 3936
Step 17: 3936 + 246 = 4182
Step 18: 4182 + 246 = 4428
Step 19: 4428 + 246 = 4674
Step 20: 4674 + 246 = 4920
Step 21: 4920 + 246 = 5166
Step 22: 5166 + 246 = 5412
Step 23: 5412 + 246 = 5658
Step 24: 5658 + 246 = 5904
Step 25: 5904 + 246 = 6150
Step 26: 6150 + 246 = 6396
Step 27: 6396 + 246 = 6642
Step 28: 6642 + 246 = 6888
Step 29: 6888 + 246 = 7134
Step 30: 7134 + 246 = 7380
Step 31: 7380 + 246 = 7626
Step 32: 7626 + 246 = 7872
Step 33: 7872 + 246 = 8118
Step 34: 8118 + 246 = 8364
Step 35: 8364 + 246 = 8610
Step 36: 8610 + 246 = 8856
Step 37: 8856 + 246 = 9102
Step 38: 9102 + 246 = 9348
Step 39: 9348 + 246 = 9594
Step 40: 9594 + 246 = 9840
Step 41: 9840 + 246 = 10086
Step 42: 10086 + 246 = 10332
Step 43: 10332 + 246 = 10578
Step 44: 10578 + 246 = 10824
Step 45: 10824 + 246 = 11070
Step 46: 11070 + 246 = 11316
Step 47: 11316 + 246 = 11562
Step 48: 11562 + 246 = 11808
Step 49: 11808 + 246 = 12054
Step 50: 12054 + 246 = 12300
Step 51: 12300 + 246 = 12546
Step 52: 12546 + 246 = 12792
Step 53: 12792 + 246 = 13038
Step 54: 13038 + 246 = 13284
Step 55: 13284 + 246 = 13530
Step 56: 13530 + 246 = 13776
Step 57: 13776 + 246 = 14022
Step 58: 14022 + 246 = 14268
Step 59: 14268 + 246 = 14514
Step 60: 14514 + 246 = 14760
Step 61: 14760 + 246 = 15006
Step 62: 15006 + 246 = 15252
Step 63: 15252 + 246 = 15498
Step 64: 15498 + 246 = 15744
Step 65: 15744 + 246 = 15990
Step 66: 15990 + 246 = 16236
Step 67: 16236 + 246 = 16482
Step 68: 16482 + 246 = 16728
Step 69: 16728 + 246 = 16974
Step 70: 16974 + 246 = 17220
Step 71: 17220 + 246 = 17466
Step 72: 17466 + 246 = 17712
Step 73: 17712 + 246 = 17958
Step 74: 17958 + 246 = 18204
Step 75: 18204 + 246 = 18450
Step 76: 18450 + 246 = 18696
Step 77: 18696 + 246 = 18942
Step 78: 18942 + 246 = 19188
Step 79: 19188 + 246 = 19434
Step 80: 19434 + 246 = 19680
Step 81: 19680 + 246 = 19926
Step 82: 19926 + 246 = 20172
Step 83: 20172 + 246 = 20418
Step 84: 20418 + 246 = 20664
Step 85: 20664 + 246 = 20910
Step 86: 20910 + 246 = 21156
Step 87: 21156 + 246 = 21402
Step 88: 21402 + 246 = 21648
Step 89: 21648 + 246 = 21894
Step 90: 21894 + 246 = 22140
Step 91: 22140 + 246 = 22386
Step 92: 22386 + 246 = 22632
Step 93: 22632 + 246 = 22878
Step 94: 22878 + 246 = 23124
Step 95: 23124 + 246 = 23370
Step 96: 23370 + 246 = 23616
Step 97: 23616 + 246 = 23862
Step 98: 23862 + 246 = 24108
Step 99: 24108 + 246 = 24354
Step 100: 24354 + 246 = 24600
Step 101: 24600 + 246 = 24846
Step 102: 24846 + 246 = 25092
Step 103: 25092 + 246 = 25338
Step 104: 25338 + 246 = 25584
Step 105: 25584 + 246 = 25830
Step 106: 25830 + 246 = 26076
Step 107: 26076 + 246 = 26322
Step 108: 26322 + 246 = 26568
Step 109: 26568 + 246 = 26814
Step 110: 26814 + 246 = 27060
Step 111: 27060 + 246 = 27306
Step 112: 27306 + 246 = 27552
Step 113: 27552 + 246 = 27798
Step 114: 27798 + 246 = 28044
Step 115: 28044 + 246 = 28290
Step 116: 28290 + 246 = 28536
Step 117: 28536 + 246 = 28782
Step 118: 28782 + 246 = 29028
Step 119: 29028 + 246 = 29274
Step 120: 29274 + 246 = 29520
Step 121: 29520 + 246 = 29766
Step 122: 29766 + 246 = 30012
Step 123: 30012 + 246 = 30258
Step 124: 30258 + 246 = 30504
Step 125: 30504 + 246 = 30750
Step 126: 30750 + 246 = 30996
Step 127: 30996 + 246 = 31242
Step 128: 31242 + 246 = 31488
Step 129: 31488 + 246 = 31734
Step 130: 31734 + 246 = 31980
Step 131: 31980 + 246 = 32226
Step 132: 32226 + 246 = 32472
Step 133: 32472 + 246 = 32718
Step 134: 32718 + 246 = 32964
Step 135: 32964 + 246 = 33210
Step 136: 33210 + 246 = 33456
Step 137: 33456 + 246 = 33702
Step 138: 33702 + 246 = 33948
Step 139: 33948 + 246 = 34194
Step 140: 34194 + 246 = 34440
Step 141: 34440 + 246 = 34686
Step 142: 34686 + 246 = 34932
Step 143: 34932 + 246 = 35178
Step 144: 35178 + 246 = 35424
Step 145: 35424 + 246 = 35670
Step 146: 35670 + 246 = 35916
Step 147: 35916 + 246 = 36162
Step 148: 36162 + 246 = 36408
Step 149: 36408 + 246 = 36654
Step 150: 36654 + 246 = 36900
Step 151: 36900 + 246 = 37146
Step 152: 37146 + 246 = 37392
Step 153: 37392 + 246 = 37638
Step 154: 37638 + 246 = 37884
Step 155: 37884 + 246 = 38130
Step 156: 38130 + 246 = 38376
Step 157: 38376 + 246 = 38622
Step 158: 38622 + 246 = 38868
Step 159: 38868 + 246 = 39114
Step 160: 39114 + 246 = 39360
Step 161: 39360 + 246 = 39606
Step 162: 39606 + 246 = 39852
Step 163: 39852 + 246 = 40098
Step 164: 40098 + 246 = 40344
Step 165: 40344 + 246 = 40590
Step 166: 40590 + 246 = 40836
Step 167: 40836 + 246 = 41082
Step 168: 41082 + 246 = 41328
Step 169: 41328 + 246 = 41574
Step 170: 41574 + 246 = 41820
Step 171: 41820 + 246 = 42066
Step 172: 42066 + 246 = 42312
Step 173: 42312 + 246 = 42558
Step 174: 42558 + 246 = 42804
Step 175: 42804 + 246 = 43050
Step 176: 43050 + 246 = 43296
Step 177: 43296 + 246 = 43542
Step 178: 43542 + 246 = 43788
Step 179: 43788 + 246 = 44034
Step 180: 44034 + 246 = 44280
Step 181: 44280 + 246 = 44526
Step 182: 44526 + 246 = 44772
Step 183: 44772 + 246 = 45018
Step 184: 45018 + 246 = 45264
Step 185: 45264 + 246 = 45510
Step 186: 45510 + 246 = 45756
Step 187: 45756 + 246 = 46002
Step 188: 46002 + 246 = 46248
Step 189: 46248 + 246 = 46494
Step 190: 46494 + 246 = 46740
Step 191: 46740 + 246 = 46986
Step 192: 46986 + 246 = 47232
Step 193: 47232 + 246 = 47478
Step 194: 47478 + 246 = 47724
Step 195: 47724 + 246 = 47970
Step 196: 47970 + 246 = 48216
Step 197: 48216 + 246 = 48462
Step 198: 48462 + 246 = 48708
Step 199: 48708 + 246 = 48954
Step 200: 48954 + 246 = 49200
Step 201: 49200 + 246 = 49446
Step 202: 49446 + 246 = 49692
Step 203: 49692 + 246 = 49938
Step 204: 49938 + 246 = 50184
Step 205: 50184 + 246 = 50430
Step 206: 50430 + 246 = 50676
Step 207: 50676 + 246 = 50922
Step 208: 50922 + 246 = 51168
Step 209: 51168 + 246 = 51414
Step 210: 51414 + 246 = 51660
Step 211: 51660 + 246 = 51906
Step 212: 51906 + 246 = 52152
Step 213: 52152 + 246 = 52398
Step 214: 52398 + 246 = 52644
Step 215: 52644 + 246 = 52890
Step 216: 52890 + 246 = 53136
Step 217: 53136 + 246 = 53382
Step 218: 53382 + 246 = 53628
Step 219: 53628 + 246 = 53874
Step 220: 53874 + 246 = 54120
Step 221: 54120 + 246 = 54366
Step 222: 54366 + 246 = 54612
Step 223: 54612 + 246 = 54858
Step 224: 54858 + 246 = 55104
Step 225: 55104 + 246 = 55350
Step 226: 55350 + 246 = 55596
Step 227: 55596 + 246 = 55842
Step 228: 55842 + 246 = 56088
Step 229: 56088 + 246 = 56334
Step 230: 56334 + 246 = 56580
Step 231: 56580 + 246 = 56826
Step 232: 56826 + 246 = 57072
Step 233: 57072 + 246 = 57318
Step 234: 57318 + 246 = 57564
Step 235: 57564 + 246 = 57810
Step 236: 57810 + 246 = 58056
Step 237: 58056 + 246 = 58302
Step 238: 58302 + 246 = 58548
Step 239: 58548 + 246 = 58794
Step 240: 58794 + 246 = 59040
Step 241: 59040 + 246 = 59286
Step 242: 59286 + 246 = 59532
Step 243: 59532 + 246 = 59778
Step 244: 59778 + 246 = 60024
Step 245: 60024 + 246 = 60270
Step 246: 60270 + 246 = 60516
Step 247: 60516 + 246 = 60762
Step 248: 60762 + 246 = 61008
Step 249: 61008 + 246 = 61254
Step 250: 61254 + 246 = 61500
Step 251: 61500 + 246 = 61746
Step 252: 61746 + 246 = 61992
Step 253: 61992 + 246 = 62238
Step 254: 62238 + 246 = 62484
Step 255: 62484 + 246 = 62730
Step 256: 62730 + 246 = 62976
Step 257: 62976 + 246 = 63222
Step 258: 63222 + 246 = 63468
Step 259: 63468 + 246 = 63714
Step 260: 63714 + 246 = 63960
Step 261: 63960 + 246 = 64206
Step 262: 64206 + 246 = 64452
Step 263: 64452 + 246 = 64698
Step 264: 64698 + 246 = 64944
Step 265: 64944 + 246 = 65190
Step 266: 65190 + 246 = 65436
Step 267: 65436 + 246 = 65682
Step 268: 65682 + 246 = 65928
Step 269: 65928 + 246 = 66174
Step 270: 66174 + 246 = 66420
Step 271: 66420 + 246 = 66666
Step 272: 66666 + 246 = 66912
Step 273: 66912 + 246 = 67158
Step 274: 67158 + 246 = 67404
Step 275: 67404 + 246 = 67650
Step 276: 67650 + 246 = 67896
Step 277: 67896 + 246 = 68142
Step 278: 68142 + 246 = 68388
Step 279: 68388 + 246 = 68634
Step 280: 68634 + 246 = 68880
Step 281: 68880 + 246 = 69126
Step 282: 69126 + 246 = 69372
Step 283: 69372 + 246 = 69618
Step 284: 69618 + 246 = 69864
Step 285: 69864 + 246 = 70110
Step 286: 70110 + 246 = 70356
Step 287: 70356 + 246 = 70602
Step 288: 70602 + 246 = 70848
Step 289: 70848 + 246 = 71094
Step 290: 71094 + 246 = 71340
Step 291: 71340 + 246 = 71586
Step 292: 71586 + 246 = 71832
Step 293: 71832 + 246 = 72078
Step 294: 72078 + 246 = 72324
Step 295: 72324 + 246 = 72570
Step 296: 72570 + 246 = 72816
Step 297: 72816 + 246 = 73062
Step 298: 73062 + 246 = 73308
Step 299: 73308 + 246 = 73554
Step 300: 73554 + 246 = 73800
Step 301: 73800 + 246 = 74046
Step 302: 74046 + 246 = 74292
Step 303: 74292 + 246 = 74538
Step 304: 74538 + 246 = 74784
Step 305: 74784 + 246 = 75030
Step 306: 75030 + 246 = 75276
Step 307: 75276 + 246 = 75522
Step 308: 75522 + 246 = 75768
Step 309: 75768 + 246 = 76014
Step 310: 76014 + 246 = 76260
Step 311: 76260 + 246 = 76506
Step 312: 76506 + 246 = 76752
Step 313: 76752 + 246 = 76998
Step 314: 76998 + 246 = 77244
Step 315: 77244 + 246 = 77490
Step 316: 77490 + 246 = 77736
Step 317: 77736 + 246 = 77982
Step 318: 77982 + 246 = 78228
Step 319: 78228 + 246 = 78474
Step 320: 78474 + 246 = 78720
Step 321: 78720 + 246 = 78966
Step 322: 78966 + 246 = 79212
Step 323: 79212 + 246 = 79458
Step 324: 79458 + 246 = 79704
Step 325: 79704 + 246 = 79950
Step 326: 79950 + 246 = 80196
Step 327: 80196 + 246 = 80442
Step 328: 80442 + 246 = 80688
Step 329: 80688 + 246 = 80934
Step 330: 80934 + 246 = 81180
Step 331: 81180 + 246 = 81426
Step 332: 81426 + 246 = 81672
Step 333: 81672 + 246 = 81918
Step 334: 81918 + 246 = 82164
Step 335: 82164 + 246 = 82410
Step 336: 82410 + 246 = 82656
Step 337: 82656 + 246 = 82902
Step 338: 82902 + 246 = 83148
Step 339: 83148 + 246 = 83394
Step 340: 83394 + 246 = 83640

So, 246*340 = 83640