Alright, let's solve this math problem step by step. First, we have the number 234. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 91. So, we're going to take the number 234 and add it to itself 91 times.
Step 1: 0 + 234 = 234
Step 2: 234 + 234 = 468
Step 3: 468 + 234 = 702
Step 4: 702 + 234 = 936
Step 5: 936 + 234 = 1170
Step 6: 1170 + 234 = 1404
Step 7: 1404 + 234 = 1638
Step 8: 1638 + 234 = 1872
Step 9: 1872 + 234 = 2106
Step 10: 2106 + 234 = 2340
Step 11: 2340 + 234 = 2574
Step 12: 2574 + 234 = 2808
Step 13: 2808 + 234 = 3042
Step 14: 3042 + 234 = 3276
Step 15: 3276 + 234 = 3510
Step 16: 3510 + 234 = 3744
Step 17: 3744 + 234 = 3978
Step 18: 3978 + 234 = 4212
Step 19: 4212 + 234 = 4446
Step 20: 4446 + 234 = 4680
Step 21: 4680 + 234 = 4914
Step 22: 4914 + 234 = 5148
Step 23: 5148 + 234 = 5382
Step 24: 5382 + 234 = 5616
Step 25: 5616 + 234 = 5850
Step 26: 5850 + 234 = 6084
Step 27: 6084 + 234 = 6318
Step 28: 6318 + 234 = 6552
Step 29: 6552 + 234 = 6786
Step 30: 6786 + 234 = 7020
Step 31: 7020 + 234 = 7254
Step 32: 7254 + 234 = 7488
Step 33: 7488 + 234 = 7722
Step 34: 7722 + 234 = 7956
Step 35: 7956 + 234 = 8190
Step 36: 8190 + 234 = 8424
Step 37: 8424 + 234 = 8658
Step 38: 8658 + 234 = 8892
Step 39: 8892 + 234 = 9126
Step 40: 9126 + 234 = 9360
Step 41: 9360 + 234 = 9594
Step 42: 9594 + 234 = 9828
Step 43: 9828 + 234 = 10062
Step 44: 10062 + 234 = 10296
Step 45: 10296 + 234 = 10530
Step 46: 10530 + 234 = 10764
Step 47: 10764 + 234 = 10998
Step 48: 10998 + 234 = 11232
Step 49: 11232 + 234 = 11466
Step 50: 11466 + 234 = 11700
Step 51: 11700 + 234 = 11934
Step 52: 11934 + 234 = 12168
Step 53: 12168 + 234 = 12402
Step 54: 12402 + 234 = 12636
Step 55: 12636 + 234 = 12870
Step 56: 12870 + 234 = 13104
Step 57: 13104 + 234 = 13338
Step 58: 13338 + 234 = 13572
Step 59: 13572 + 234 = 13806
Step 60: 13806 + 234 = 14040
Step 61: 14040 + 234 = 14274
Step 62: 14274 + 234 = 14508
Step 63: 14508 + 234 = 14742
Step 64: 14742 + 234 = 14976
Step 65: 14976 + 234 = 15210
Step 66: 15210 + 234 = 15444
Step 67: 15444 + 234 = 15678
Step 68: 15678 + 234 = 15912
Step 69: 15912 + 234 = 16146
Step 70: 16146 + 234 = 16380
Step 71: 16380 + 234 = 16614
Step 72: 16614 + 234 = 16848
Step 73: 16848 + 234 = 17082
Step 74: 17082 + 234 = 17316
Step 75: 17316 + 234 = 17550
Step 76: 17550 + 234 = 17784
Step 77: 17784 + 234 = 18018
Step 78: 18018 + 234 = 18252
Step 79: 18252 + 234 = 18486
Step 80: 18486 + 234 = 18720
Step 81: 18720 + 234 = 18954
Step 82: 18954 + 234 = 19188
Step 83: 19188 + 234 = 19422
Step 84: 19422 + 234 = 19656
Step 85: 19656 + 234 = 19890
Step 86: 19890 + 234 = 20124
Step 87: 20124 + 234 = 20358
Step 88: 20358 + 234 = 20592
Step 89: 20592 + 234 = 20826
Step 90: 20826 + 234 = 21060
Step 91: 21060 + 234 = 21294

So, 234*91 = 21294