Alright, let's solve this math problem step by step. First, we have the number 518. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 103. So, we're going to take the number 518 and add it to itself 103 times.
Step 1: 0 + 518 = 518
Step 2: 518 + 518 = 1036
Step 3: 1036 + 518 = 1554
Step 4: 1554 + 518 = 2072
Step 5: 2072 + 518 = 2590
Step 6: 2590 + 518 = 3108
Step 7: 3108 + 518 = 3626
Step 8: 3626 + 518 = 4144
Step 9: 4144 + 518 = 4662
Step 10: 4662 + 518 = 5180
Step 11: 5180 + 518 = 5698
Step 12: 5698 + 518 = 6216
Step 13: 6216 + 518 = 6734
Step 14: 6734 + 518 = 7252
Step 15: 7252 + 518 = 7770
Step 16: 7770 + 518 = 8288
Step 17: 8288 + 518 = 8806
Step 18: 8806 + 518 = 9324
Step 19: 9324 + 518 = 9842
Step 20: 9842 + 518 = 10360
Step 21: 10360 + 518 = 10878
Step 22: 10878 + 518 = 11396
Step 23: 11396 + 518 = 11914
Step 24: 11914 + 518 = 12432
Step 25: 12432 + 518 = 12950
Step 26: 12950 + 518 = 13468
Step 27: 13468 + 518 = 13986
Step 28: 13986 + 518 = 14504
Step 29: 14504 + 518 = 15022
Step 30: 15022 + 518 = 15540
Step 31: 15540 + 518 = 16058
Step 32: 16058 + 518 = 16576
Step 33: 16576 + 518 = 17094
Step 34: 17094 + 518 = 17612
Step 35: 17612 + 518 = 18130
Step 36: 18130 + 518 = 18648
Step 37: 18648 + 518 = 19166
Step 38: 19166 + 518 = 19684
Step 39: 19684 + 518 = 20202
Step 40: 20202 + 518 = 20720
Step 41: 20720 + 518 = 21238
Step 42: 21238 + 518 = 21756
Step 43: 21756 + 518 = 22274
Step 44: 22274 + 518 = 22792
Step 45: 22792 + 518 = 23310
Step 46: 23310 + 518 = 23828
Step 47: 23828 + 518 = 24346
Step 48: 24346 + 518 = 24864
Step 49: 24864 + 518 = 25382
Step 50: 25382 + 518 = 25900
Step 51: 25900 + 518 = 26418
Step 52: 26418 + 518 = 26936
Step 53: 26936 + 518 = 27454
Step 54: 27454 + 518 = 27972
Step 55: 27972 + 518 = 28490
Step 56: 28490 + 518 = 29008
Step 57: 29008 + 518 = 29526
Step 58: 29526 + 518 = 30044
Step 59: 30044 + 518 = 30562
Step 60: 30562 + 518 = 31080
Step 61: 31080 + 518 = 31598
Step 62: 31598 + 518 = 32116
Step 63: 32116 + 518 = 32634
Step 64: 32634 + 518 = 33152
Step 65: 33152 + 518 = 33670
Step 66: 33670 + 518 = 34188
Step 67: 34188 + 518 = 34706
Step 68: 34706 + 518 = 35224
Step 69: 35224 + 518 = 35742
Step 70: 35742 + 518 = 36260
Step 71: 36260 + 518 = 36778
Step 72: 36778 + 518 = 37296
Step 73: 37296 + 518 = 37814
Step 74: 37814 + 518 = 38332
Step 75: 38332 + 518 = 38850
Step 76: 38850 + 518 = 39368
Step 77: 39368 + 518 = 39886
Step 78: 39886 + 518 = 40404
Step 79: 40404 + 518 = 40922
Step 80: 40922 + 518 = 41440
Step 81: 41440 + 518 = 41958
Step 82: 41958 + 518 = 42476
Step 83: 42476 + 518 = 42994
Step 84: 42994 + 518 = 43512
Step 85: 43512 + 518 = 44030
Step 86: 44030 + 518 = 44548
Step 87: 44548 + 518 = 45066
Step 88: 45066 + 518 = 45584
Step 89: 45584 + 518 = 46102
Step 90: 46102 + 518 = 46620
Step 91: 46620 + 518 = 47138
Step 92: 47138 + 518 = 47656
Step 93: 47656 + 518 = 48174
Step 94: 48174 + 518 = 48692
Step 95: 48692 + 518 = 49210
Step 96: 49210 + 518 = 49728
Step 97: 49728 + 518 = 50246
Step 98: 50246 + 518 = 50764
Step 99: 50764 + 518 = 51282
Step 100: 51282 + 518 = 51800
Step 101: 51800 + 518 = 52318
Step 102: 52318 + 518 = 52836
Step 103: 52836 + 518 = 53354

So, 518*103 = 53354