Alright, let's solve this math problem step by step. First, we have the number 343. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 128. So, we're going to take the number 343 and add it to itself 128 times.
Step 1: 0 + 343 = 343
Step 2: 343 + 343 = 686
Step 3: 686 + 343 = 1029
Step 4: 1029 + 343 = 1372
Step 5: 1372 + 343 = 1715
Step 6: 1715 + 343 = 2058
Step 7: 2058 + 343 = 2401
Step 8: 2401 + 343 = 2744
Step 9: 2744 + 343 = 3087
Step 10: 3087 + 343 = 3430
Step 11: 3430 + 343 = 3773
Step 12: 3773 + 343 = 4116
Step 13: 4116 + 343 = 4459
Step 14: 4459 + 343 = 4802
Step 15: 4802 + 343 = 5145
Step 16: 5145 + 343 = 5488
Step 17: 5488 + 343 = 5831
Step 18: 5831 + 343 = 6174
Step 19: 6174 + 343 = 6517
Step 20: 6517 + 343 = 6860
Step 21: 6860 + 343 = 7203
Step 22: 7203 + 343 = 7546
Step 23: 7546 + 343 = 7889
Step 24: 7889 + 343 = 8232
Step 25: 8232 + 343 = 8575
Step 26: 8575 + 343 = 8918
Step 27: 8918 + 343 = 9261
Step 28: 9261 + 343 = 9604
Step 29: 9604 + 343 = 9947
Step 30: 9947 + 343 = 10290
Step 31: 10290 + 343 = 10633
Step 32: 10633 + 343 = 10976
Step 33: 10976 + 343 = 11319
Step 34: 11319 + 343 = 11662
Step 35: 11662 + 343 = 12005
Step 36: 12005 + 343 = 12348
Step 37: 12348 + 343 = 12691
Step 38: 12691 + 343 = 13034
Step 39: 13034 + 343 = 13377
Step 40: 13377 + 343 = 13720
Step 41: 13720 + 343 = 14063
Step 42: 14063 + 343 = 14406
Step 43: 14406 + 343 = 14749
Step 44: 14749 + 343 = 15092
Step 45: 15092 + 343 = 15435
Step 46: 15435 + 343 = 15778
Step 47: 15778 + 343 = 16121
Step 48: 16121 + 343 = 16464
Step 49: 16464 + 343 = 16807
Step 50: 16807 + 343 = 17150
Step 51: 17150 + 343 = 17493
Step 52: 17493 + 343 = 17836
Step 53: 17836 + 343 = 18179
Step 54: 18179 + 343 = 18522
Step 55: 18522 + 343 = 18865
Step 56: 18865 + 343 = 19208
Step 57: 19208 + 343 = 19551
Step 58: 19551 + 343 = 19894
Step 59: 19894 + 343 = 20237
Step 60: 20237 + 343 = 20580
Step 61: 20580 + 343 = 20923
Step 62: 20923 + 343 = 21266
Step 63: 21266 + 343 = 21609
Step 64: 21609 + 343 = 21952
Step 65: 21952 + 343 = 22295
Step 66: 22295 + 343 = 22638
Step 67: 22638 + 343 = 22981
Step 68: 22981 + 343 = 23324
Step 69: 23324 + 343 = 23667
Step 70: 23667 + 343 = 24010
Step 71: 24010 + 343 = 24353
Step 72: 24353 + 343 = 24696
Step 73: 24696 + 343 = 25039
Step 74: 25039 + 343 = 25382
Step 75: 25382 + 343 = 25725
Step 76: 25725 + 343 = 26068
Step 77: 26068 + 343 = 26411
Step 78: 26411 + 343 = 26754
Step 79: 26754 + 343 = 27097
Step 80: 27097 + 343 = 27440
Step 81: 27440 + 343 = 27783
Step 82: 27783 + 343 = 28126
Step 83: 28126 + 343 = 28469
Step 84: 28469 + 343 = 28812
Step 85: 28812 + 343 = 29155
Step 86: 29155 + 343 = 29498
Step 87: 29498 + 343 = 29841
Step 88: 29841 + 343 = 30184
Step 89: 30184 + 343 = 30527
Step 90: 30527 + 343 = 30870
Step 91: 30870 + 343 = 31213
Step 92: 31213 + 343 = 31556
Step 93: 31556 + 343 = 31899
Step 94: 31899 + 343 = 32242
Step 95: 32242 + 343 = 32585
Step 96: 32585 + 343 = 32928
Step 97: 32928 + 343 = 33271
Step 98: 33271 + 343 = 33614
Step 99: 33614 + 343 = 33957
Step 100: 33957 + 343 = 34300
Step 101: 34300 + 343 = 34643
Step 102: 34643 + 343 = 34986
Step 103: 34986 + 343 = 35329
Step 104: 35329 + 343 = 35672
Step 105: 35672 + 343 = 36015
Step 106: 36015 + 343 = 36358
Step 107: 36358 + 343 = 36701
Step 108: 36701 + 343 = 37044
Step 109: 37044 + 343 = 37387
Step 110: 37387 + 343 = 37730
Step 111: 37730 + 343 = 38073
Step 112: 38073 + 343 = 38416
Step 113: 38416 + 343 = 38759
Step 114: 38759 + 343 = 39102
Step 115: 39102 + 343 = 39445
Step 116: 39445 + 343 = 39788
Step 117: 39788 + 343 = 40131
Step 118: 40131 + 343 = 40474
Step 119: 40474 + 343 = 40817
Step 120: 40817 + 343 = 41160
Step 121: 41160 + 343 = 41503
Step 122: 41503 + 343 = 41846
Step 123: 41846 + 343 = 42189
Step 124: 42189 + 343 = 42532
Step 125: 42532 + 343 = 42875
Step 126: 42875 + 343 = 43218
Step 127: 43218 + 343 = 43561
Step 128: 43561 + 343 = 43904

So, 343*128 = 43904