OK, let's crack this. We're given 558 and our task is to multiply it by 304. Essentially, we'll be adding 558 to itself 304 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
Step 169: 93744 + 558 = 94302
Step 170: 94302 + 558 = 94860
Step 171: 94860 + 558 = 95418
Step 172: 95418 + 558 = 95976
Step 173: 95976 + 558 = 96534
Step 174: 96534 + 558 = 97092
Step 175: 97092 + 558 = 97650
Step 176: 97650 + 558 = 98208
Step 177: 98208 + 558 = 98766
Step 178: 98766 + 558 = 99324
Step 179: 99324 + 558 = 99882
Step 180: 99882 + 558 = 100440
Step 181: 100440 + 558 = 100998
Step 182: 100998 + 558 = 101556
Step 183: 101556 + 558 = 102114
Step 184: 102114 + 558 = 102672
Step 185: 102672 + 558 = 103230
Step 186: 103230 + 558 = 103788
Step 187: 103788 + 558 = 104346
Step 188: 104346 + 558 = 104904
Step 189: 104904 + 558 = 105462
Step 190: 105462 + 558 = 106020
Step 191: 106020 + 558 = 106578
Step 192: 106578 + 558 = 107136
Step 193: 107136 + 558 = 107694
Step 194: 107694 + 558 = 108252
Step 195: 108252 + 558 = 108810
Step 196: 108810 + 558 = 109368
Step 197: 109368 + 558 = 109926
Step 198: 109926 + 558 = 110484
Step 199: 110484 + 558 = 111042
Step 200: 111042 + 558 = 111600
Step 201: 111600 + 558 = 112158
Step 202: 112158 + 558 = 112716
Step 203: 112716 + 558 = 113274
Step 204: 113274 + 558 = 113832
Step 205: 113832 + 558 = 114390
Step 206: 114390 + 558 = 114948
Step 207: 114948 + 558 = 115506
Step 208: 115506 + 558 = 116064
Step 209: 116064 + 558 = 116622
Step 210: 116622 + 558 = 117180
Step 211: 117180 + 558 = 117738
Step 212: 117738 + 558 = 118296
Step 213: 118296 + 558 = 118854
Step 214: 118854 + 558 = 119412
Step 215: 119412 + 558 = 119970
Step 216: 119970 + 558 = 120528
Step 217: 120528 + 558 = 121086
Step 218: 121086 + 558 = 121644
Step 219: 121644 + 558 = 122202
Step 220: 122202 + 558 = 122760
Step 221: 122760 + 558 = 123318
Step 222: 123318 + 558 = 123876
Step 223: 123876 + 558 = 124434
Step 224: 124434 + 558 = 124992
Step 225: 124992 + 558 = 125550
Step 226: 125550 + 558 = 126108
Step 227: 126108 + 558 = 126666
Step 228: 126666 + 558 = 127224
Step 229: 127224 + 558 = 127782
Step 230: 127782 + 558 = 128340
Step 231: 128340 + 558 = 128898
Step 232: 128898 + 558 = 129456
Step 233: 129456 + 558 = 130014
Step 234: 130014 + 558 = 130572
Step 235: 130572 + 558 = 131130
Step 236: 131130 + 558 = 131688
Step 237: 131688 + 558 = 132246
Step 238: 132246 + 558 = 132804
Step 239: 132804 + 558 = 133362
Step 240: 133362 + 558 = 133920
Step 241: 133920 + 558 = 134478
Step 242: 134478 + 558 = 135036
Step 243: 135036 + 558 = 135594
Step 244: 135594 + 558 = 136152
Step 245: 136152 + 558 = 136710
Step 246: 136710 + 558 = 137268
Step 247: 137268 + 558 = 137826
Step 248: 137826 + 558 = 138384
Step 249: 138384 + 558 = 138942
Step 250: 138942 + 558 = 139500
Step 251: 139500 + 558 = 140058
Step 252: 140058 + 558 = 140616
Step 253: 140616 + 558 = 141174
Step 254: 141174 + 558 = 141732
Step 255: 141732 + 558 = 142290
Step 256: 142290 + 558 = 142848
Step 257: 142848 + 558 = 143406
Step 258: 143406 + 558 = 143964
Step 259: 143964 + 558 = 144522
Step 260: 144522 + 558 = 145080
Step 261: 145080 + 558 = 145638
Step 262: 145638 + 558 = 146196
Step 263: 146196 + 558 = 146754
Step 264: 146754 + 558 = 147312
Step 265: 147312 + 558 = 147870
Step 266: 147870 + 558 = 148428
Step 267: 148428 + 558 = 148986
Step 268: 148986 + 558 = 149544
Step 269: 149544 + 558 = 150102
Step 270: 150102 + 558 = 150660
Step 271: 150660 + 558 = 151218
Step 272: 151218 + 558 = 151776
Step 273: 151776 + 558 = 152334
Step 274: 152334 + 558 = 152892
Step 275: 152892 + 558 = 153450
Step 276: 153450 + 558 = 154008
Step 277: 154008 + 558 = 154566
Step 278: 154566 + 558 = 155124
Step 279: 155124 + 558 = 155682
Step 280: 155682 + 558 = 156240
Step 281: 156240 + 558 = 156798
Step 282: 156798 + 558 = 157356
Step 283: 157356 + 558 = 157914
Step 284: 157914 + 558 = 158472
Step 285: 158472 + 558 = 159030
Step 286: 159030 + 558 = 159588
Step 287: 159588 + 558 = 160146
Step 288: 160146 + 558 = 160704
Step 289: 160704 + 558 = 161262
Step 290: 161262 + 558 = 161820
Step 291: 161820 + 558 = 162378
Step 292: 162378 + 558 = 162936
Step 293: 162936 + 558 = 163494
Step 294: 163494 + 558 = 164052
Step 295: 164052 + 558 = 164610
Step 296: 164610 + 558 = 165168
Step 297: 165168 + 558 = 165726
Step 298: 165726 + 558 = 166284
Step 299: 166284 + 558 = 166842
Step 300: 166842 + 558 = 167400
Step 301: 167400 + 558 = 167958
Step 302: 167958 + 558 = 168516
Step 303: 168516 + 558 = 169074
Step 304: 169074 + 558 = 169632

So, 558*304 = 169632