Alright, let's solve this math problem step by step. First, we have the number 397. 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 397 and add it to itself 123 times.
Step 1: 0 + 397 = 397
Step 2: 397 + 397 = 794
Step 3: 794 + 397 = 1191
Step 4: 1191 + 397 = 1588
Step 5: 1588 + 397 = 1985
Step 6: 1985 + 397 = 2382
Step 7: 2382 + 397 = 2779
Step 8: 2779 + 397 = 3176
Step 9: 3176 + 397 = 3573
Step 10: 3573 + 397 = 3970
Step 11: 3970 + 397 = 4367
Step 12: 4367 + 397 = 4764
Step 13: 4764 + 397 = 5161
Step 14: 5161 + 397 = 5558
Step 15: 5558 + 397 = 5955
Step 16: 5955 + 397 = 6352
Step 17: 6352 + 397 = 6749
Step 18: 6749 + 397 = 7146
Step 19: 7146 + 397 = 7543
Step 20: 7543 + 397 = 7940
Step 21: 7940 + 397 = 8337
Step 22: 8337 + 397 = 8734
Step 23: 8734 + 397 = 9131
Step 24: 9131 + 397 = 9528
Step 25: 9528 + 397 = 9925
Step 26: 9925 + 397 = 10322
Step 27: 10322 + 397 = 10719
Step 28: 10719 + 397 = 11116
Step 29: 11116 + 397 = 11513
Step 30: 11513 + 397 = 11910
Step 31: 11910 + 397 = 12307
Step 32: 12307 + 397 = 12704
Step 33: 12704 + 397 = 13101
Step 34: 13101 + 397 = 13498
Step 35: 13498 + 397 = 13895
Step 36: 13895 + 397 = 14292
Step 37: 14292 + 397 = 14689
Step 38: 14689 + 397 = 15086
Step 39: 15086 + 397 = 15483
Step 40: 15483 + 397 = 15880
Step 41: 15880 + 397 = 16277
Step 42: 16277 + 397 = 16674
Step 43: 16674 + 397 = 17071
Step 44: 17071 + 397 = 17468
Step 45: 17468 + 397 = 17865
Step 46: 17865 + 397 = 18262
Step 47: 18262 + 397 = 18659
Step 48: 18659 + 397 = 19056
Step 49: 19056 + 397 = 19453
Step 50: 19453 + 397 = 19850
Step 51: 19850 + 397 = 20247
Step 52: 20247 + 397 = 20644
Step 53: 20644 + 397 = 21041
Step 54: 21041 + 397 = 21438
Step 55: 21438 + 397 = 21835
Step 56: 21835 + 397 = 22232
Step 57: 22232 + 397 = 22629
Step 58: 22629 + 397 = 23026
Step 59: 23026 + 397 = 23423
Step 60: 23423 + 397 = 23820
Step 61: 23820 + 397 = 24217
Step 62: 24217 + 397 = 24614
Step 63: 24614 + 397 = 25011
Step 64: 25011 + 397 = 25408
Step 65: 25408 + 397 = 25805
Step 66: 25805 + 397 = 26202
Step 67: 26202 + 397 = 26599
Step 68: 26599 + 397 = 26996
Step 69: 26996 + 397 = 27393
Step 70: 27393 + 397 = 27790
Step 71: 27790 + 397 = 28187
Step 72: 28187 + 397 = 28584
Step 73: 28584 + 397 = 28981
Step 74: 28981 + 397 = 29378
Step 75: 29378 + 397 = 29775
Step 76: 29775 + 397 = 30172
Step 77: 30172 + 397 = 30569
Step 78: 30569 + 397 = 30966
Step 79: 30966 + 397 = 31363
Step 80: 31363 + 397 = 31760
Step 81: 31760 + 397 = 32157
Step 82: 32157 + 397 = 32554
Step 83: 32554 + 397 = 32951
Step 84: 32951 + 397 = 33348
Step 85: 33348 + 397 = 33745
Step 86: 33745 + 397 = 34142
Step 87: 34142 + 397 = 34539
Step 88: 34539 + 397 = 34936
Step 89: 34936 + 397 = 35333
Step 90: 35333 + 397 = 35730
Step 91: 35730 + 397 = 36127
Step 92: 36127 + 397 = 36524
Step 93: 36524 + 397 = 36921
Step 94: 36921 + 397 = 37318
Step 95: 37318 + 397 = 37715
Step 96: 37715 + 397 = 38112
Step 97: 38112 + 397 = 38509
Step 98: 38509 + 397 = 38906
Step 99: 38906 + 397 = 39303
Step 100: 39303 + 397 = 39700
Step 101: 39700 + 397 = 40097
Step 102: 40097 + 397 = 40494
Step 103: 40494 + 397 = 40891
Step 104: 40891 + 397 = 41288
Step 105: 41288 + 397 = 41685
Step 106: 41685 + 397 = 42082
Step 107: 42082 + 397 = 42479
Step 108: 42479 + 397 = 42876
Step 109: 42876 + 397 = 43273
Step 110: 43273 + 397 = 43670
Step 111: 43670 + 397 = 44067
Step 112: 44067 + 397 = 44464
Step 113: 44464 + 397 = 44861
Step 114: 44861 + 397 = 45258
Step 115: 45258 + 397 = 45655
Step 116: 45655 + 397 = 46052
Step 117: 46052 + 397 = 46449
Step 118: 46449 + 397 = 46846
Step 119: 46846 + 397 = 47243
Step 120: 47243 + 397 = 47640
Step 121: 47640 + 397 = 48037
Step 122: 48037 + 397 = 48434
Step 123: 48434 + 397 = 48831

So, 397*123 = 48831