Alright, let's solve this math problem step by step. First, we have the number 666. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 104. So, we're going to take the number 666 and add it to itself 104 times.
Step 1: 0 + 666 = 666
Step 2: 666 + 666 = 1332
Step 3: 1332 + 666 = 1998
Step 4: 1998 + 666 = 2664
Step 5: 2664 + 666 = 3330
Step 6: 3330 + 666 = 3996
Step 7: 3996 + 666 = 4662
Step 8: 4662 + 666 = 5328
Step 9: 5328 + 666 = 5994
Step 10: 5994 + 666 = 6660
Step 11: 6660 + 666 = 7326
Step 12: 7326 + 666 = 7992
Step 13: 7992 + 666 = 8658
Step 14: 8658 + 666 = 9324
Step 15: 9324 + 666 = 9990
Step 16: 9990 + 666 = 10656
Step 17: 10656 + 666 = 11322
Step 18: 11322 + 666 = 11988
Step 19: 11988 + 666 = 12654
Step 20: 12654 + 666 = 13320
Step 21: 13320 + 666 = 13986
Step 22: 13986 + 666 = 14652
Step 23: 14652 + 666 = 15318
Step 24: 15318 + 666 = 15984
Step 25: 15984 + 666 = 16650
Step 26: 16650 + 666 = 17316
Step 27: 17316 + 666 = 17982
Step 28: 17982 + 666 = 18648
Step 29: 18648 + 666 = 19314
Step 30: 19314 + 666 = 19980
Step 31: 19980 + 666 = 20646
Step 32: 20646 + 666 = 21312
Step 33: 21312 + 666 = 21978
Step 34: 21978 + 666 = 22644
Step 35: 22644 + 666 = 23310
Step 36: 23310 + 666 = 23976
Step 37: 23976 + 666 = 24642
Step 38: 24642 + 666 = 25308
Step 39: 25308 + 666 = 25974
Step 40: 25974 + 666 = 26640
Step 41: 26640 + 666 = 27306
Step 42: 27306 + 666 = 27972
Step 43: 27972 + 666 = 28638
Step 44: 28638 + 666 = 29304
Step 45: 29304 + 666 = 29970
Step 46: 29970 + 666 = 30636
Step 47: 30636 + 666 = 31302
Step 48: 31302 + 666 = 31968
Step 49: 31968 + 666 = 32634
Step 50: 32634 + 666 = 33300
Step 51: 33300 + 666 = 33966
Step 52: 33966 + 666 = 34632
Step 53: 34632 + 666 = 35298
Step 54: 35298 + 666 = 35964
Step 55: 35964 + 666 = 36630
Step 56: 36630 + 666 = 37296
Step 57: 37296 + 666 = 37962
Step 58: 37962 + 666 = 38628
Step 59: 38628 + 666 = 39294
Step 60: 39294 + 666 = 39960
Step 61: 39960 + 666 = 40626
Step 62: 40626 + 666 = 41292
Step 63: 41292 + 666 = 41958
Step 64: 41958 + 666 = 42624
Step 65: 42624 + 666 = 43290
Step 66: 43290 + 666 = 43956
Step 67: 43956 + 666 = 44622
Step 68: 44622 + 666 = 45288
Step 69: 45288 + 666 = 45954
Step 70: 45954 + 666 = 46620
Step 71: 46620 + 666 = 47286
Step 72: 47286 + 666 = 47952
Step 73: 47952 + 666 = 48618
Step 74: 48618 + 666 = 49284
Step 75: 49284 + 666 = 49950
Step 76: 49950 + 666 = 50616
Step 77: 50616 + 666 = 51282
Step 78: 51282 + 666 = 51948
Step 79: 51948 + 666 = 52614
Step 80: 52614 + 666 = 53280
Step 81: 53280 + 666 = 53946
Step 82: 53946 + 666 = 54612
Step 83: 54612 + 666 = 55278
Step 84: 55278 + 666 = 55944
Step 85: 55944 + 666 = 56610
Step 86: 56610 + 666 = 57276
Step 87: 57276 + 666 = 57942
Step 88: 57942 + 666 = 58608
Step 89: 58608 + 666 = 59274
Step 90: 59274 + 666 = 59940
Step 91: 59940 + 666 = 60606
Step 92: 60606 + 666 = 61272
Step 93: 61272 + 666 = 61938
Step 94: 61938 + 666 = 62604
Step 95: 62604 + 666 = 63270
Step 96: 63270 + 666 = 63936
Step 97: 63936 + 666 = 64602
Step 98: 64602 + 666 = 65268
Step 99: 65268 + 666 = 65934
Step 100: 65934 + 666 = 66600
Step 101: 66600 + 666 = 67266
Step 102: 67266 + 666 = 67932
Step 103: 67932 + 666 = 68598
Step 104: 68598 + 666 = 69264

So, 666*104 = 69264