Alright, let's solve this math problem step by step. First, we have the number 543. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 68. So, we're going to take the number 543 and add it to itself 68 times.
Step 1: 0 + 543 = 543
Step 2: 543 + 543 = 1086
Step 3: 1086 + 543 = 1629
Step 4: 1629 + 543 = 2172
Step 5: 2172 + 543 = 2715
Step 6: 2715 + 543 = 3258
Step 7: 3258 + 543 = 3801
Step 8: 3801 + 543 = 4344
Step 9: 4344 + 543 = 4887
Step 10: 4887 + 543 = 5430
Step 11: 5430 + 543 = 5973
Step 12: 5973 + 543 = 6516
Step 13: 6516 + 543 = 7059
Step 14: 7059 + 543 = 7602
Step 15: 7602 + 543 = 8145
Step 16: 8145 + 543 = 8688
Step 17: 8688 + 543 = 9231
Step 18: 9231 + 543 = 9774
Step 19: 9774 + 543 = 10317
Step 20: 10317 + 543 = 10860
Step 21: 10860 + 543 = 11403
Step 22: 11403 + 543 = 11946
Step 23: 11946 + 543 = 12489
Step 24: 12489 + 543 = 13032
Step 25: 13032 + 543 = 13575
Step 26: 13575 + 543 = 14118
Step 27: 14118 + 543 = 14661
Step 28: 14661 + 543 = 15204
Step 29: 15204 + 543 = 15747
Step 30: 15747 + 543 = 16290
Step 31: 16290 + 543 = 16833
Step 32: 16833 + 543 = 17376
Step 33: 17376 + 543 = 17919
Step 34: 17919 + 543 = 18462
Step 35: 18462 + 543 = 19005
Step 36: 19005 + 543 = 19548
Step 37: 19548 + 543 = 20091
Step 38: 20091 + 543 = 20634
Step 39: 20634 + 543 = 21177
Step 40: 21177 + 543 = 21720
Step 41: 21720 + 543 = 22263
Step 42: 22263 + 543 = 22806
Step 43: 22806 + 543 = 23349
Step 44: 23349 + 543 = 23892
Step 45: 23892 + 543 = 24435
Step 46: 24435 + 543 = 24978
Step 47: 24978 + 543 = 25521
Step 48: 25521 + 543 = 26064
Step 49: 26064 + 543 = 26607
Step 50: 26607 + 543 = 27150
Step 51: 27150 + 543 = 27693
Step 52: 27693 + 543 = 28236
Step 53: 28236 + 543 = 28779
Step 54: 28779 + 543 = 29322
Step 55: 29322 + 543 = 29865
Step 56: 29865 + 543 = 30408
Step 57: 30408 + 543 = 30951
Step 58: 30951 + 543 = 31494
Step 59: 31494 + 543 = 32037
Step 60: 32037 + 543 = 32580
Step 61: 32580 + 543 = 33123
Step 62: 33123 + 543 = 33666
Step 63: 33666 + 543 = 34209
Step 64: 34209 + 543 = 34752
Step 65: 34752 + 543 = 35295
Step 66: 35295 + 543 = 35838
Step 67: 35838 + 543 = 36381
Step 68: 36381 + 543 = 36924

So, 543*68 = 36924