Alright, let's solve this math problem step by step. First, we have the number 667. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 139. So, we're going to take the number 667 and add it to itself 139 times.
Step 1: 0 + 667 = 667
Step 2: 667 + 667 = 1334
Step 3: 1334 + 667 = 2001
Step 4: 2001 + 667 = 2668
Step 5: 2668 + 667 = 3335
Step 6: 3335 + 667 = 4002
Step 7: 4002 + 667 = 4669
Step 8: 4669 + 667 = 5336
Step 9: 5336 + 667 = 6003
Step 10: 6003 + 667 = 6670
Step 11: 6670 + 667 = 7337
Step 12: 7337 + 667 = 8004
Step 13: 8004 + 667 = 8671
Step 14: 8671 + 667 = 9338
Step 15: 9338 + 667 = 10005
Step 16: 10005 + 667 = 10672
Step 17: 10672 + 667 = 11339
Step 18: 11339 + 667 = 12006
Step 19: 12006 + 667 = 12673
Step 20: 12673 + 667 = 13340
Step 21: 13340 + 667 = 14007
Step 22: 14007 + 667 = 14674
Step 23: 14674 + 667 = 15341
Step 24: 15341 + 667 = 16008
Step 25: 16008 + 667 = 16675
Step 26: 16675 + 667 = 17342
Step 27: 17342 + 667 = 18009
Step 28: 18009 + 667 = 18676
Step 29: 18676 + 667 = 19343
Step 30: 19343 + 667 = 20010
Step 31: 20010 + 667 = 20677
Step 32: 20677 + 667 = 21344
Step 33: 21344 + 667 = 22011
Step 34: 22011 + 667 = 22678
Step 35: 22678 + 667 = 23345
Step 36: 23345 + 667 = 24012
Step 37: 24012 + 667 = 24679
Step 38: 24679 + 667 = 25346
Step 39: 25346 + 667 = 26013
Step 40: 26013 + 667 = 26680
Step 41: 26680 + 667 = 27347
Step 42: 27347 + 667 = 28014
Step 43: 28014 + 667 = 28681
Step 44: 28681 + 667 = 29348
Step 45: 29348 + 667 = 30015
Step 46: 30015 + 667 = 30682
Step 47: 30682 + 667 = 31349
Step 48: 31349 + 667 = 32016
Step 49: 32016 + 667 = 32683
Step 50: 32683 + 667 = 33350
Step 51: 33350 + 667 = 34017
Step 52: 34017 + 667 = 34684
Step 53: 34684 + 667 = 35351
Step 54: 35351 + 667 = 36018
Step 55: 36018 + 667 = 36685
Step 56: 36685 + 667 = 37352
Step 57: 37352 + 667 = 38019
Step 58: 38019 + 667 = 38686
Step 59: 38686 + 667 = 39353
Step 60: 39353 + 667 = 40020
Step 61: 40020 + 667 = 40687
Step 62: 40687 + 667 = 41354
Step 63: 41354 + 667 = 42021
Step 64: 42021 + 667 = 42688
Step 65: 42688 + 667 = 43355
Step 66: 43355 + 667 = 44022
Step 67: 44022 + 667 = 44689
Step 68: 44689 + 667 = 45356
Step 69: 45356 + 667 = 46023
Step 70: 46023 + 667 = 46690
Step 71: 46690 + 667 = 47357
Step 72: 47357 + 667 = 48024
Step 73: 48024 + 667 = 48691
Step 74: 48691 + 667 = 49358
Step 75: 49358 + 667 = 50025
Step 76: 50025 + 667 = 50692
Step 77: 50692 + 667 = 51359
Step 78: 51359 + 667 = 52026
Step 79: 52026 + 667 = 52693
Step 80: 52693 + 667 = 53360
Step 81: 53360 + 667 = 54027
Step 82: 54027 + 667 = 54694
Step 83: 54694 + 667 = 55361
Step 84: 55361 + 667 = 56028
Step 85: 56028 + 667 = 56695
Step 86: 56695 + 667 = 57362
Step 87: 57362 + 667 = 58029
Step 88: 58029 + 667 = 58696
Step 89: 58696 + 667 = 59363
Step 90: 59363 + 667 = 60030
Step 91: 60030 + 667 = 60697
Step 92: 60697 + 667 = 61364
Step 93: 61364 + 667 = 62031
Step 94: 62031 + 667 = 62698
Step 95: 62698 + 667 = 63365
Step 96: 63365 + 667 = 64032
Step 97: 64032 + 667 = 64699
Step 98: 64699 + 667 = 65366
Step 99: 65366 + 667 = 66033
Step 100: 66033 + 667 = 66700
Step 101: 66700 + 667 = 67367
Step 102: 67367 + 667 = 68034
Step 103: 68034 + 667 = 68701
Step 104: 68701 + 667 = 69368
Step 105: 69368 + 667 = 70035
Step 106: 70035 + 667 = 70702
Step 107: 70702 + 667 = 71369
Step 108: 71369 + 667 = 72036
Step 109: 72036 + 667 = 72703
Step 110: 72703 + 667 = 73370
Step 111: 73370 + 667 = 74037
Step 112: 74037 + 667 = 74704
Step 113: 74704 + 667 = 75371
Step 114: 75371 + 667 = 76038
Step 115: 76038 + 667 = 76705
Step 116: 76705 + 667 = 77372
Step 117: 77372 + 667 = 78039
Step 118: 78039 + 667 = 78706
Step 119: 78706 + 667 = 79373
Step 120: 79373 + 667 = 80040
Step 121: 80040 + 667 = 80707
Step 122: 80707 + 667 = 81374
Step 123: 81374 + 667 = 82041
Step 124: 82041 + 667 = 82708
Step 125: 82708 + 667 = 83375
Step 126: 83375 + 667 = 84042
Step 127: 84042 + 667 = 84709
Step 128: 84709 + 667 = 85376
Step 129: 85376 + 667 = 86043
Step 130: 86043 + 667 = 86710
Step 131: 86710 + 667 = 87377
Step 132: 87377 + 667 = 88044
Step 133: 88044 + 667 = 88711
Step 134: 88711 + 667 = 89378
Step 135: 89378 + 667 = 90045
Step 136: 90045 + 667 = 90712
Step 137: 90712 + 667 = 91379
Step 138: 91379 + 667 = 92046
Step 139: 92046 + 667 = 92713

So, 667*139 = 92713