Let's get this math done. We have 548 and we're going to multiply it by 397. This is the same as taking 548 and adding it to itself 397 times.
Step 1: 0 + 548 = 548
Step 2: 548 + 548 = 1096
Step 3: 1096 + 548 = 1644
Step 4: 1644 + 548 = 2192
Step 5: 2192 + 548 = 2740
Step 6: 2740 + 548 = 3288
Step 7: 3288 + 548 = 3836
Step 8: 3836 + 548 = 4384
Step 9: 4384 + 548 = 4932
Step 10: 4932 + 548 = 5480
Step 11: 5480 + 548 = 6028
Step 12: 6028 + 548 = 6576
Step 13: 6576 + 548 = 7124
Step 14: 7124 + 548 = 7672
Step 15: 7672 + 548 = 8220
Step 16: 8220 + 548 = 8768
Step 17: 8768 + 548 = 9316
Step 18: 9316 + 548 = 9864
Step 19: 9864 + 548 = 10412
Step 20: 10412 + 548 = 10960
Step 21: 10960 + 548 = 11508
Step 22: 11508 + 548 = 12056
Step 23: 12056 + 548 = 12604
Step 24: 12604 + 548 = 13152
Step 25: 13152 + 548 = 13700
Step 26: 13700 + 548 = 14248
Step 27: 14248 + 548 = 14796
Step 28: 14796 + 548 = 15344
Step 29: 15344 + 548 = 15892
Step 30: 15892 + 548 = 16440
Step 31: 16440 + 548 = 16988
Step 32: 16988 + 548 = 17536
Step 33: 17536 + 548 = 18084
Step 34: 18084 + 548 = 18632
Step 35: 18632 + 548 = 19180
Step 36: 19180 + 548 = 19728
Step 37: 19728 + 548 = 20276
Step 38: 20276 + 548 = 20824
Step 39: 20824 + 548 = 21372
Step 40: 21372 + 548 = 21920
Step 41: 21920 + 548 = 22468
Step 42: 22468 + 548 = 23016
Step 43: 23016 + 548 = 23564
Step 44: 23564 + 548 = 24112
Step 45: 24112 + 548 = 24660
Step 46: 24660 + 548 = 25208
Step 47: 25208 + 548 = 25756
Step 48: 25756 + 548 = 26304
Step 49: 26304 + 548 = 26852
Step 50: 26852 + 548 = 27400
Step 51: 27400 + 548 = 27948
Step 52: 27948 + 548 = 28496
Step 53: 28496 + 548 = 29044
Step 54: 29044 + 548 = 29592
Step 55: 29592 + 548 = 30140
Step 56: 30140 + 548 = 30688
Step 57: 30688 + 548 = 31236
Step 58: 31236 + 548 = 31784
Step 59: 31784 + 548 = 32332
Step 60: 32332 + 548 = 32880
Step 61: 32880 + 548 = 33428
Step 62: 33428 + 548 = 33976
Step 63: 33976 + 548 = 34524
Step 64: 34524 + 548 = 35072
Step 65: 35072 + 548 = 35620
Step 66: 35620 + 548 = 36168
Step 67: 36168 + 548 = 36716
Step 68: 36716 + 548 = 37264
Step 69: 37264 + 548 = 37812
Step 70: 37812 + 548 = 38360
Step 71: 38360 + 548 = 38908
Step 72: 38908 + 548 = 39456
Step 73: 39456 + 548 = 40004
Step 74: 40004 + 548 = 40552
Step 75: 40552 + 548 = 41100
Step 76: 41100 + 548 = 41648
Step 77: 41648 + 548 = 42196
Step 78: 42196 + 548 = 42744
Step 79: 42744 + 548 = 43292
Step 80: 43292 + 548 = 43840
Step 81: 43840 + 548 = 44388
Step 82: 44388 + 548 = 44936
Step 83: 44936 + 548 = 45484
Step 84: 45484 + 548 = 46032
Step 85: 46032 + 548 = 46580
Step 86: 46580 + 548 = 47128
Step 87: 47128 + 548 = 47676
Step 88: 47676 + 548 = 48224
Step 89: 48224 + 548 = 48772
Step 90: 48772 + 548 = 49320
Step 91: 49320 + 548 = 49868
Step 92: 49868 + 548 = 50416
Step 93: 50416 + 548 = 50964
Step 94: 50964 + 548 = 51512
Step 95: 51512 + 548 = 52060
Step 96: 52060 + 548 = 52608
Step 97: 52608 + 548 = 53156
Step 98: 53156 + 548 = 53704
Step 99: 53704 + 548 = 54252
Step 100: 54252 + 548 = 54800
Step 101: 54800 + 548 = 55348
Step 102: 55348 + 548 = 55896
Step 103: 55896 + 548 = 56444
Step 104: 56444 + 548 = 56992
Step 105: 56992 + 548 = 57540
Step 106: 57540 + 548 = 58088
Step 107: 58088 + 548 = 58636
Step 108: 58636 + 548 = 59184
Step 109: 59184 + 548 = 59732
Step 110: 59732 + 548 = 60280
Step 111: 60280 + 548 = 60828
Step 112: 60828 + 548 = 61376
Step 113: 61376 + 548 = 61924
Step 114: 61924 + 548 = 62472
Step 115: 62472 + 548 = 63020
Step 116: 63020 + 548 = 63568
Step 117: 63568 + 548 = 64116
Step 118: 64116 + 548 = 64664
Step 119: 64664 + 548 = 65212
Step 120: 65212 + 548 = 65760
Step 121: 65760 + 548 = 66308
Step 122: 66308 + 548 = 66856
Step 123: 66856 + 548 = 67404
Step 124: 67404 + 548 = 67952
Step 125: 67952 + 548 = 68500
Step 126: 68500 + 548 = 69048
Step 127: 69048 + 548 = 69596
Step 128: 69596 + 548 = 70144
Step 129: 70144 + 548 = 70692
Step 130: 70692 + 548 = 71240
Step 131: 71240 + 548 = 71788
Step 132: 71788 + 548 = 72336
Step 133: 72336 + 548 = 72884
Step 134: 72884 + 548 = 73432
Step 135: 73432 + 548 = 73980
Step 136: 73980 + 548 = 74528
Step 137: 74528 + 548 = 75076
Step 138: 75076 + 548 = 75624
Step 139: 75624 + 548 = 76172
Step 140: 76172 + 548 = 76720
Step 141: 76720 + 548 = 77268
Step 142: 77268 + 548 = 77816
Step 143: 77816 + 548 = 78364
Step 144: 78364 + 548 = 78912
Step 145: 78912 + 548 = 79460
Step 146: 79460 + 548 = 80008
Step 147: 80008 + 548 = 80556
Step 148: 80556 + 548 = 81104
Step 149: 81104 + 548 = 81652
Step 150: 81652 + 548 = 82200
Step 151: 82200 + 548 = 82748
Step 152: 82748 + 548 = 83296
Step 153: 83296 + 548 = 83844
Step 154: 83844 + 548 = 84392
Step 155: 84392 + 548 = 84940
Step 156: 84940 + 548 = 85488
Step 157: 85488 + 548 = 86036
Step 158: 86036 + 548 = 86584
Step 159: 86584 + 548 = 87132
Step 160: 87132 + 548 = 87680
Step 161: 87680 + 548 = 88228
Step 162: 88228 + 548 = 88776
Step 163: 88776 + 548 = 89324
Step 164: 89324 + 548 = 89872
Step 165: 89872 + 548 = 90420
Step 166: 90420 + 548 = 90968
Step 167: 90968 + 548 = 91516
Step 168: 91516 + 548 = 92064
Step 169: 92064 + 548 = 92612
Step 170: 92612 + 548 = 93160
Step 171: 93160 + 548 = 93708
Step 172: 93708 + 548 = 94256
Step 173: 94256 + 548 = 94804
Step 174: 94804 + 548 = 95352
Step 175: 95352 + 548 = 95900
Step 176: 95900 + 548 = 96448
Step 177: 96448 + 548 = 96996
Step 178: 96996 + 548 = 97544
Step 179: 97544 + 548 = 98092
Step 180: 98092 + 548 = 98640
Step 181: 98640 + 548 = 99188
Step 182: 99188 + 548 = 99736
Step 183: 99736 + 548 = 100284
Step 184: 100284 + 548 = 100832
Step 185: 100832 + 548 = 101380
Step 186: 101380 + 548 = 101928
Step 187: 101928 + 548 = 102476
Step 188: 102476 + 548 = 103024
Step 189: 103024 + 548 = 103572
Step 190: 103572 + 548 = 104120
Step 191: 104120 + 548 = 104668
Step 192: 104668 + 548 = 105216
Step 193: 105216 + 548 = 105764
Step 194: 105764 + 548 = 106312
Step 195: 106312 + 548 = 106860
Step 196: 106860 + 548 = 107408
Step 197: 107408 + 548 = 107956
Step 198: 107956 + 548 = 108504
Step 199: 108504 + 548 = 109052
Step 200: 109052 + 548 = 109600
Step 201: 109600 + 548 = 110148
Step 202: 110148 + 548 = 110696
Step 203: 110696 + 548 = 111244
Step 204: 111244 + 548 = 111792
Step 205: 111792 + 548 = 112340
Step 206: 112340 + 548 = 112888
Step 207: 112888 + 548 = 113436
Step 208: 113436 + 548 = 113984
Step 209: 113984 + 548 = 114532
Step 210: 114532 + 548 = 115080
Step 211: 115080 + 548 = 115628
Step 212: 115628 + 548 = 116176
Step 213: 116176 + 548 = 116724
Step 214: 116724 + 548 = 117272
Step 215: 117272 + 548 = 117820
Step 216: 117820 + 548 = 118368
Step 217: 118368 + 548 = 118916
Step 218: 118916 + 548 = 119464
Step 219: 119464 + 548 = 120012
Step 220: 120012 + 548 = 120560
Step 221: 120560 + 548 = 121108
Step 222: 121108 + 548 = 121656
Step 223: 121656 + 548 = 122204
Step 224: 122204 + 548 = 122752
Step 225: 122752 + 548 = 123300
Step 226: 123300 + 548 = 123848
Step 227: 123848 + 548 = 124396
Step 228: 124396 + 548 = 124944
Step 229: 124944 + 548 = 125492
Step 230: 125492 + 548 = 126040
Step 231: 126040 + 548 = 126588
Step 232: 126588 + 548 = 127136
Step 233: 127136 + 548 = 127684
Step 234: 127684 + 548 = 128232
Step 235: 128232 + 548 = 128780
Step 236: 128780 + 548 = 129328
Step 237: 129328 + 548 = 129876
Step 238: 129876 + 548 = 130424
Step 239: 130424 + 548 = 130972
Step 240: 130972 + 548 = 131520
Step 241: 131520 + 548 = 132068
Step 242: 132068 + 548 = 132616
Step 243: 132616 + 548 = 133164
Step 244: 133164 + 548 = 133712
Step 245: 133712 + 548 = 134260
Step 246: 134260 + 548 = 134808
Step 247: 134808 + 548 = 135356
Step 248: 135356 + 548 = 135904
Step 249: 135904 + 548 = 136452
Step 250: 136452 + 548 = 137000
Step 251: 137000 + 548 = 137548
Step 252: 137548 + 548 = 138096
Step 253: 138096 + 548 = 138644
Step 254: 138644 + 548 = 139192
Step 255: 139192 + 548 = 139740
Step 256: 139740 + 548 = 140288
Step 257: 140288 + 548 = 140836
Step 258: 140836 + 548 = 141384
Step 259: 141384 + 548 = 141932
Step 260: 141932 + 548 = 142480
Step 261: 142480 + 548 = 143028
Step 262: 143028 + 548 = 143576
Step 263: 143576 + 548 = 144124
Step 264: 144124 + 548 = 144672
Step 265: 144672 + 548 = 145220
Step 266: 145220 + 548 = 145768
Step 267: 145768 + 548 = 146316
Step 268: 146316 + 548 = 146864
Step 269: 146864 + 548 = 147412
Step 270: 147412 + 548 = 147960
Step 271: 147960 + 548 = 148508
Step 272: 148508 + 548 = 149056
Step 273: 149056 + 548 = 149604
Step 274: 149604 + 548 = 150152
Step 275: 150152 + 548 = 150700
Step 276: 150700 + 548 = 151248
Step 277: 151248 + 548 = 151796
Step 278: 151796 + 548 = 152344
Step 279: 152344 + 548 = 152892
Step 280: 152892 + 548 = 153440
Step 281: 153440 + 548 = 153988
Step 282: 153988 + 548 = 154536
Step 283: 154536 + 548 = 155084
Step 284: 155084 + 548 = 155632
Step 285: 155632 + 548 = 156180
Step 286: 156180 + 548 = 156728
Step 287: 156728 + 548 = 157276
Step 288: 157276 + 548 = 157824
Step 289: 157824 + 548 = 158372
Step 290: 158372 + 548 = 158920
Step 291: 158920 + 548 = 159468
Step 292: 159468 + 548 = 160016
Step 293: 160016 + 548 = 160564
Step 294: 160564 + 548 = 161112
Step 295: 161112 + 548 = 161660
Step 296: 161660 + 548 = 162208
Step 297: 162208 + 548 = 162756
Step 298: 162756 + 548 = 163304
Step 299: 163304 + 548 = 163852
Step 300: 163852 + 548 = 164400
Step 301: 164400 + 548 = 164948
Step 302: 164948 + 548 = 165496
Step 303: 165496 + 548 = 166044
Step 304: 166044 + 548 = 166592
Step 305: 166592 + 548 = 167140
Step 306: 167140 + 548 = 167688
Step 307: 167688 + 548 = 168236
Step 308: 168236 + 548 = 168784
Step 309: 168784 + 548 = 169332
Step 310: 169332 + 548 = 169880
Step 311: 169880 + 548 = 170428
Step 312: 170428 + 548 = 170976
Step 313: 170976 + 548 = 171524
Step 314: 171524 + 548 = 172072
Step 315: 172072 + 548 = 172620
Step 316: 172620 + 548 = 173168
Step 317: 173168 + 548 = 173716
Step 318: 173716 + 548 = 174264
Step 319: 174264 + 548 = 174812
Step 320: 174812 + 548 = 175360
Step 321: 175360 + 548 = 175908
Step 322: 175908 + 548 = 176456
Step 323: 176456 + 548 = 177004
Step 324: 177004 + 548 = 177552
Step 325: 177552 + 548 = 178100
Step 326: 178100 + 548 = 178648
Step 327: 178648 + 548 = 179196
Step 328: 179196 + 548 = 179744
Step 329: 179744 + 548 = 180292
Step 330: 180292 + 548 = 180840
Step 331: 180840 + 548 = 181388
Step 332: 181388 + 548 = 181936
Step 333: 181936 + 548 = 182484
Step 334: 182484 + 548 = 183032
Step 335: 183032 + 548 = 183580
Step 336: 183580 + 548 = 184128
Step 337: 184128 + 548 = 184676
Step 338: 184676 + 548 = 185224
Step 339: 185224 + 548 = 185772
Step 340: 185772 + 548 = 186320
Step 341: 186320 + 548 = 186868
Step 342: 186868 + 548 = 187416
Step 343: 187416 + 548 = 187964
Step 344: 187964 + 548 = 188512
Step 345: 188512 + 548 = 189060
Step 346: 189060 + 548 = 189608
Step 347: 189608 + 548 = 190156
Step 348: 190156 + 548 = 190704
Step 349: 190704 + 548 = 191252
Step 350: 191252 + 548 = 191800
Step 351: 191800 + 548 = 192348
Step 352: 192348 + 548 = 192896
Step 353: 192896 + 548 = 193444
Step 354: 193444 + 548 = 193992
Step 355: 193992 + 548 = 194540
Step 356: 194540 + 548 = 195088
Step 357: 195088 + 548 = 195636
Step 358: 195636 + 548 = 196184
Step 359: 196184 + 548 = 196732
Step 360: 196732 + 548 = 197280
Step 361: 197280 + 548 = 197828
Step 362: 197828 + 548 = 198376
Step 363: 198376 + 548 = 198924
Step 364: 198924 + 548 = 199472
Step 365: 199472 + 548 = 200020
Step 366: 200020 + 548 = 200568
Step 367: 200568 + 548 = 201116
Step 368: 201116 + 548 = 201664
Step 369: 201664 + 548 = 202212
Step 370: 202212 + 548 = 202760
Step 371: 202760 + 548 = 203308
Step 372: 203308 + 548 = 203856
Step 373: 203856 + 548 = 204404
Step 374: 204404 + 548 = 204952
Step 375: 204952 + 548 = 205500
Step 376: 205500 + 548 = 206048
Step 377: 206048 + 548 = 206596
Step 378: 206596 + 548 = 207144
Step 379: 207144 + 548 = 207692
Step 380: 207692 + 548 = 208240
Step 381: 208240 + 548 = 208788
Step 382: 208788 + 548 = 209336
Step 383: 209336 + 548 = 209884
Step 384: 209884 + 548 = 210432
Step 385: 210432 + 548 = 210980
Step 386: 210980 + 548 = 211528
Step 387: 211528 + 548 = 212076
Step 388: 212076 + 548 = 212624
Step 389: 212624 + 548 = 213172
Step 390: 213172 + 548 = 213720
Step 391: 213720 + 548 = 214268
Step 392: 214268 + 548 = 214816
Step 393: 214816 + 548 = 215364
Step 394: 215364 + 548 = 215912
Step 395: 215912 + 548 = 216460
Step 396: 216460 + 548 = 217008
Step 397: 217008 + 548 = 217556

So, 548*397 = 217556