Alright, let's solve this math problem step by step. First, we have the number 254. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 123. So, we're going to take the number 254 and add it to itself 123 times.
Step 1: 0 + 254 = 254
Step 2: 254 + 254 = 508
Step 3: 508 + 254 = 762
Step 4: 762 + 254 = 1016
Step 5: 1016 + 254 = 1270
Step 6: 1270 + 254 = 1524
Step 7: 1524 + 254 = 1778
Step 8: 1778 + 254 = 2032
Step 9: 2032 + 254 = 2286
Step 10: 2286 + 254 = 2540
Step 11: 2540 + 254 = 2794
Step 12: 2794 + 254 = 3048
Step 13: 3048 + 254 = 3302
Step 14: 3302 + 254 = 3556
Step 15: 3556 + 254 = 3810
Step 16: 3810 + 254 = 4064
Step 17: 4064 + 254 = 4318
Step 18: 4318 + 254 = 4572
Step 19: 4572 + 254 = 4826
Step 20: 4826 + 254 = 5080
Step 21: 5080 + 254 = 5334
Step 22: 5334 + 254 = 5588
Step 23: 5588 + 254 = 5842
Step 24: 5842 + 254 = 6096
Step 25: 6096 + 254 = 6350
Step 26: 6350 + 254 = 6604
Step 27: 6604 + 254 = 6858
Step 28: 6858 + 254 = 7112
Step 29: 7112 + 254 = 7366
Step 30: 7366 + 254 = 7620
Step 31: 7620 + 254 = 7874
Step 32: 7874 + 254 = 8128
Step 33: 8128 + 254 = 8382
Step 34: 8382 + 254 = 8636
Step 35: 8636 + 254 = 8890
Step 36: 8890 + 254 = 9144
Step 37: 9144 + 254 = 9398
Step 38: 9398 + 254 = 9652
Step 39: 9652 + 254 = 9906
Step 40: 9906 + 254 = 10160
Step 41: 10160 + 254 = 10414
Step 42: 10414 + 254 = 10668
Step 43: 10668 + 254 = 10922
Step 44: 10922 + 254 = 11176
Step 45: 11176 + 254 = 11430
Step 46: 11430 + 254 = 11684
Step 47: 11684 + 254 = 11938
Step 48: 11938 + 254 = 12192
Step 49: 12192 + 254 = 12446
Step 50: 12446 + 254 = 12700
Step 51: 12700 + 254 = 12954
Step 52: 12954 + 254 = 13208
Step 53: 13208 + 254 = 13462
Step 54: 13462 + 254 = 13716
Step 55: 13716 + 254 = 13970
Step 56: 13970 + 254 = 14224
Step 57: 14224 + 254 = 14478
Step 58: 14478 + 254 = 14732
Step 59: 14732 + 254 = 14986
Step 60: 14986 + 254 = 15240
Step 61: 15240 + 254 = 15494
Step 62: 15494 + 254 = 15748
Step 63: 15748 + 254 = 16002
Step 64: 16002 + 254 = 16256
Step 65: 16256 + 254 = 16510
Step 66: 16510 + 254 = 16764
Step 67: 16764 + 254 = 17018
Step 68: 17018 + 254 = 17272
Step 69: 17272 + 254 = 17526
Step 70: 17526 + 254 = 17780
Step 71: 17780 + 254 = 18034
Step 72: 18034 + 254 = 18288
Step 73: 18288 + 254 = 18542
Step 74: 18542 + 254 = 18796
Step 75: 18796 + 254 = 19050
Step 76: 19050 + 254 = 19304
Step 77: 19304 + 254 = 19558
Step 78: 19558 + 254 = 19812
Step 79: 19812 + 254 = 20066
Step 80: 20066 + 254 = 20320
Step 81: 20320 + 254 = 20574
Step 82: 20574 + 254 = 20828
Step 83: 20828 + 254 = 21082
Step 84: 21082 + 254 = 21336
Step 85: 21336 + 254 = 21590
Step 86: 21590 + 254 = 21844
Step 87: 21844 + 254 = 22098
Step 88: 22098 + 254 = 22352
Step 89: 22352 + 254 = 22606
Step 90: 22606 + 254 = 22860
Step 91: 22860 + 254 = 23114
Step 92: 23114 + 254 = 23368
Step 93: 23368 + 254 = 23622
Step 94: 23622 + 254 = 23876
Step 95: 23876 + 254 = 24130
Step 96: 24130 + 254 = 24384
Step 97: 24384 + 254 = 24638
Step 98: 24638 + 254 = 24892
Step 99: 24892 + 254 = 25146
Step 100: 25146 + 254 = 25400
Step 101: 25400 + 254 = 25654
Step 102: 25654 + 254 = 25908
Step 103: 25908 + 254 = 26162
Step 104: 26162 + 254 = 26416
Step 105: 26416 + 254 = 26670
Step 106: 26670 + 254 = 26924
Step 107: 26924 + 254 = 27178
Step 108: 27178 + 254 = 27432
Step 109: 27432 + 254 = 27686
Step 110: 27686 + 254 = 27940
Step 111: 27940 + 254 = 28194
Step 112: 28194 + 254 = 28448
Step 113: 28448 + 254 = 28702
Step 114: 28702 + 254 = 28956
Step 115: 28956 + 254 = 29210
Step 116: 29210 + 254 = 29464
Step 117: 29464 + 254 = 29718
Step 118: 29718 + 254 = 29972
Step 119: 29972 + 254 = 30226
Step 120: 30226 + 254 = 30480
Step 121: 30480 + 254 = 30734
Step 122: 30734 + 254 = 30988
Step 123: 30988 + 254 = 31242

So, 254*123 = 31242