Let's roll up our sleeves and solve this. We have 558 and we're going to multiply it by 168, essentially adding 558 to itself 168 times.
Step 1: 0 + 558 = 558
Step 2: 558 + 558 = 1116
Step 3: 1116 + 558 = 1674
Step 4: 1674 + 558 = 2232
Step 5: 2232 + 558 = 2790
Step 6: 2790 + 558 = 3348
Step 7: 3348 + 558 = 3906
Step 8: 3906 + 558 = 4464
Step 9: 4464 + 558 = 5022
Step 10: 5022 + 558 = 5580
Step 11: 5580 + 558 = 6138
Step 12: 6138 + 558 = 6696
Step 13: 6696 + 558 = 7254
Step 14: 7254 + 558 = 7812
Step 15: 7812 + 558 = 8370
Step 16: 8370 + 558 = 8928
Step 17: 8928 + 558 = 9486
Step 18: 9486 + 558 = 10044
Step 19: 10044 + 558 = 10602
Step 20: 10602 + 558 = 11160
Step 21: 11160 + 558 = 11718
Step 22: 11718 + 558 = 12276
Step 23: 12276 + 558 = 12834
Step 24: 12834 + 558 = 13392
Step 25: 13392 + 558 = 13950
Step 26: 13950 + 558 = 14508
Step 27: 14508 + 558 = 15066
Step 28: 15066 + 558 = 15624
Step 29: 15624 + 558 = 16182
Step 30: 16182 + 558 = 16740
Step 31: 16740 + 558 = 17298
Step 32: 17298 + 558 = 17856
Step 33: 17856 + 558 = 18414
Step 34: 18414 + 558 = 18972
Step 35: 18972 + 558 = 19530
Step 36: 19530 + 558 = 20088
Step 37: 20088 + 558 = 20646
Step 38: 20646 + 558 = 21204
Step 39: 21204 + 558 = 21762
Step 40: 21762 + 558 = 22320
Step 41: 22320 + 558 = 22878
Step 42: 22878 + 558 = 23436
Step 43: 23436 + 558 = 23994
Step 44: 23994 + 558 = 24552
Step 45: 24552 + 558 = 25110
Step 46: 25110 + 558 = 25668
Step 47: 25668 + 558 = 26226
Step 48: 26226 + 558 = 26784
Step 49: 26784 + 558 = 27342
Step 50: 27342 + 558 = 27900
Step 51: 27900 + 558 = 28458
Step 52: 28458 + 558 = 29016
Step 53: 29016 + 558 = 29574
Step 54: 29574 + 558 = 30132
Step 55: 30132 + 558 = 30690
Step 56: 30690 + 558 = 31248
Step 57: 31248 + 558 = 31806
Step 58: 31806 + 558 = 32364
Step 59: 32364 + 558 = 32922
Step 60: 32922 + 558 = 33480
Step 61: 33480 + 558 = 34038
Step 62: 34038 + 558 = 34596
Step 63: 34596 + 558 = 35154
Step 64: 35154 + 558 = 35712
Step 65: 35712 + 558 = 36270
Step 66: 36270 + 558 = 36828
Step 67: 36828 + 558 = 37386
Step 68: 37386 + 558 = 37944
Step 69: 37944 + 558 = 38502
Step 70: 38502 + 558 = 39060
Step 71: 39060 + 558 = 39618
Step 72: 39618 + 558 = 40176
Step 73: 40176 + 558 = 40734
Step 74: 40734 + 558 = 41292
Step 75: 41292 + 558 = 41850
Step 76: 41850 + 558 = 42408
Step 77: 42408 + 558 = 42966
Step 78: 42966 + 558 = 43524
Step 79: 43524 + 558 = 44082
Step 80: 44082 + 558 = 44640
Step 81: 44640 + 558 = 45198
Step 82: 45198 + 558 = 45756
Step 83: 45756 + 558 = 46314
Step 84: 46314 + 558 = 46872
Step 85: 46872 + 558 = 47430
Step 86: 47430 + 558 = 47988
Step 87: 47988 + 558 = 48546
Step 88: 48546 + 558 = 49104
Step 89: 49104 + 558 = 49662
Step 90: 49662 + 558 = 50220
Step 91: 50220 + 558 = 50778
Step 92: 50778 + 558 = 51336
Step 93: 51336 + 558 = 51894
Step 94: 51894 + 558 = 52452
Step 95: 52452 + 558 = 53010
Step 96: 53010 + 558 = 53568
Step 97: 53568 + 558 = 54126
Step 98: 54126 + 558 = 54684
Step 99: 54684 + 558 = 55242
Step 100: 55242 + 558 = 55800
Step 101: 55800 + 558 = 56358
Step 102: 56358 + 558 = 56916
Step 103: 56916 + 558 = 57474
Step 104: 57474 + 558 = 58032
Step 105: 58032 + 558 = 58590
Step 106: 58590 + 558 = 59148
Step 107: 59148 + 558 = 59706
Step 108: 59706 + 558 = 60264
Step 109: 60264 + 558 = 60822
Step 110: 60822 + 558 = 61380
Step 111: 61380 + 558 = 61938
Step 112: 61938 + 558 = 62496
Step 113: 62496 + 558 = 63054
Step 114: 63054 + 558 = 63612
Step 115: 63612 + 558 = 64170
Step 116: 64170 + 558 = 64728
Step 117: 64728 + 558 = 65286
Step 118: 65286 + 558 = 65844
Step 119: 65844 + 558 = 66402
Step 120: 66402 + 558 = 66960
Step 121: 66960 + 558 = 67518
Step 122: 67518 + 558 = 68076
Step 123: 68076 + 558 = 68634
Step 124: 68634 + 558 = 69192
Step 125: 69192 + 558 = 69750
Step 126: 69750 + 558 = 70308
Step 127: 70308 + 558 = 70866
Step 128: 70866 + 558 = 71424
Step 129: 71424 + 558 = 71982
Step 130: 71982 + 558 = 72540
Step 131: 72540 + 558 = 73098
Step 132: 73098 + 558 = 73656
Step 133: 73656 + 558 = 74214
Step 134: 74214 + 558 = 74772
Step 135: 74772 + 558 = 75330
Step 136: 75330 + 558 = 75888
Step 137: 75888 + 558 = 76446
Step 138: 76446 + 558 = 77004
Step 139: 77004 + 558 = 77562
Step 140: 77562 + 558 = 78120
Step 141: 78120 + 558 = 78678
Step 142: 78678 + 558 = 79236
Step 143: 79236 + 558 = 79794
Step 144: 79794 + 558 = 80352
Step 145: 80352 + 558 = 80910
Step 146: 80910 + 558 = 81468
Step 147: 81468 + 558 = 82026
Step 148: 82026 + 558 = 82584
Step 149: 82584 + 558 = 83142
Step 150: 83142 + 558 = 83700
Step 151: 83700 + 558 = 84258
Step 152: 84258 + 558 = 84816
Step 153: 84816 + 558 = 85374
Step 154: 85374 + 558 = 85932
Step 155: 85932 + 558 = 86490
Step 156: 86490 + 558 = 87048
Step 157: 87048 + 558 = 87606
Step 158: 87606 + 558 = 88164
Step 159: 88164 + 558 = 88722
Step 160: 88722 + 558 = 89280
Step 161: 89280 + 558 = 89838
Step 162: 89838 + 558 = 90396
Step 163: 90396 + 558 = 90954
Step 164: 90954 + 558 = 91512
Step 165: 91512 + 558 = 92070
Step 166: 92070 + 558 = 92628
Step 167: 92628 + 558 = 93186
Step 168: 93186 + 558 = 93744

So, 558*168 = 93744