OK, let's crack this. We're given 590 and our task is to multiply it by 398. Essentially, we'll be adding 590 to itself 398 times.
Step 1: 0 + 590 = 590
Step 2: 590 + 590 = 1180
Step 3: 1180 + 590 = 1770
Step 4: 1770 + 590 = 2360
Step 5: 2360 + 590 = 2950
Step 6: 2950 + 590 = 3540
Step 7: 3540 + 590 = 4130
Step 8: 4130 + 590 = 4720
Step 9: 4720 + 590 = 5310
Step 10: 5310 + 590 = 5900
Step 11: 5900 + 590 = 6490
Step 12: 6490 + 590 = 7080
Step 13: 7080 + 590 = 7670
Step 14: 7670 + 590 = 8260
Step 15: 8260 + 590 = 8850
Step 16: 8850 + 590 = 9440
Step 17: 9440 + 590 = 10030
Step 18: 10030 + 590 = 10620
Step 19: 10620 + 590 = 11210
Step 20: 11210 + 590 = 11800
Step 21: 11800 + 590 = 12390
Step 22: 12390 + 590 = 12980
Step 23: 12980 + 590 = 13570
Step 24: 13570 + 590 = 14160
Step 25: 14160 + 590 = 14750
Step 26: 14750 + 590 = 15340
Step 27: 15340 + 590 = 15930
Step 28: 15930 + 590 = 16520
Step 29: 16520 + 590 = 17110
Step 30: 17110 + 590 = 17700
Step 31: 17700 + 590 = 18290
Step 32: 18290 + 590 = 18880
Step 33: 18880 + 590 = 19470
Step 34: 19470 + 590 = 20060
Step 35: 20060 + 590 = 20650
Step 36: 20650 + 590 = 21240
Step 37: 21240 + 590 = 21830
Step 38: 21830 + 590 = 22420
Step 39: 22420 + 590 = 23010
Step 40: 23010 + 590 = 23600
Step 41: 23600 + 590 = 24190
Step 42: 24190 + 590 = 24780
Step 43: 24780 + 590 = 25370
Step 44: 25370 + 590 = 25960
Step 45: 25960 + 590 = 26550
Step 46: 26550 + 590 = 27140
Step 47: 27140 + 590 = 27730
Step 48: 27730 + 590 = 28320
Step 49: 28320 + 590 = 28910
Step 50: 28910 + 590 = 29500
Step 51: 29500 + 590 = 30090
Step 52: 30090 + 590 = 30680
Step 53: 30680 + 590 = 31270
Step 54: 31270 + 590 = 31860
Step 55: 31860 + 590 = 32450
Step 56: 32450 + 590 = 33040
Step 57: 33040 + 590 = 33630
Step 58: 33630 + 590 = 34220
Step 59: 34220 + 590 = 34810
Step 60: 34810 + 590 = 35400
Step 61: 35400 + 590 = 35990
Step 62: 35990 + 590 = 36580
Step 63: 36580 + 590 = 37170
Step 64: 37170 + 590 = 37760
Step 65: 37760 + 590 = 38350
Step 66: 38350 + 590 = 38940
Step 67: 38940 + 590 = 39530
Step 68: 39530 + 590 = 40120
Step 69: 40120 + 590 = 40710
Step 70: 40710 + 590 = 41300
Step 71: 41300 + 590 = 41890
Step 72: 41890 + 590 = 42480
Step 73: 42480 + 590 = 43070
Step 74: 43070 + 590 = 43660
Step 75: 43660 + 590 = 44250
Step 76: 44250 + 590 = 44840
Step 77: 44840 + 590 = 45430
Step 78: 45430 + 590 = 46020
Step 79: 46020 + 590 = 46610
Step 80: 46610 + 590 = 47200
Step 81: 47200 + 590 = 47790
Step 82: 47790 + 590 = 48380
Step 83: 48380 + 590 = 48970
Step 84: 48970 + 590 = 49560
Step 85: 49560 + 590 = 50150
Step 86: 50150 + 590 = 50740
Step 87: 50740 + 590 = 51330
Step 88: 51330 + 590 = 51920
Step 89: 51920 + 590 = 52510
Step 90: 52510 + 590 = 53100
Step 91: 53100 + 590 = 53690
Step 92: 53690 + 590 = 54280
Step 93: 54280 + 590 = 54870
Step 94: 54870 + 590 = 55460
Step 95: 55460 + 590 = 56050
Step 96: 56050 + 590 = 56640
Step 97: 56640 + 590 = 57230
Step 98: 57230 + 590 = 57820
Step 99: 57820 + 590 = 58410
Step 100: 58410 + 590 = 59000
Step 101: 59000 + 590 = 59590
Step 102: 59590 + 590 = 60180
Step 103: 60180 + 590 = 60770
Step 104: 60770 + 590 = 61360
Step 105: 61360 + 590 = 61950
Step 106: 61950 + 590 = 62540
Step 107: 62540 + 590 = 63130
Step 108: 63130 + 590 = 63720
Step 109: 63720 + 590 = 64310
Step 110: 64310 + 590 = 64900
Step 111: 64900 + 590 = 65490
Step 112: 65490 + 590 = 66080
Step 113: 66080 + 590 = 66670
Step 114: 66670 + 590 = 67260
Step 115: 67260 + 590 = 67850
Step 116: 67850 + 590 = 68440
Step 117: 68440 + 590 = 69030
Step 118: 69030 + 590 = 69620
Step 119: 69620 + 590 = 70210
Step 120: 70210 + 590 = 70800
Step 121: 70800 + 590 = 71390
Step 122: 71390 + 590 = 71980
Step 123: 71980 + 590 = 72570
Step 124: 72570 + 590 = 73160
Step 125: 73160 + 590 = 73750
Step 126: 73750 + 590 = 74340
Step 127: 74340 + 590 = 74930
Step 128: 74930 + 590 = 75520
Step 129: 75520 + 590 = 76110
Step 130: 76110 + 590 = 76700
Step 131: 76700 + 590 = 77290
Step 132: 77290 + 590 = 77880
Step 133: 77880 + 590 = 78470
Step 134: 78470 + 590 = 79060
Step 135: 79060 + 590 = 79650
Step 136: 79650 + 590 = 80240
Step 137: 80240 + 590 = 80830
Step 138: 80830 + 590 = 81420
Step 139: 81420 + 590 = 82010
Step 140: 82010 + 590 = 82600
Step 141: 82600 + 590 = 83190
Step 142: 83190 + 590 = 83780
Step 143: 83780 + 590 = 84370
Step 144: 84370 + 590 = 84960
Step 145: 84960 + 590 = 85550
Step 146: 85550 + 590 = 86140
Step 147: 86140 + 590 = 86730
Step 148: 86730 + 590 = 87320
Step 149: 87320 + 590 = 87910
Step 150: 87910 + 590 = 88500
Step 151: 88500 + 590 = 89090
Step 152: 89090 + 590 = 89680
Step 153: 89680 + 590 = 90270
Step 154: 90270 + 590 = 90860
Step 155: 90860 + 590 = 91450
Step 156: 91450 + 590 = 92040
Step 157: 92040 + 590 = 92630
Step 158: 92630 + 590 = 93220
Step 159: 93220 + 590 = 93810
Step 160: 93810 + 590 = 94400
Step 161: 94400 + 590 = 94990
Step 162: 94990 + 590 = 95580
Step 163: 95580 + 590 = 96170
Step 164: 96170 + 590 = 96760
Step 165: 96760 + 590 = 97350
Step 166: 97350 + 590 = 97940
Step 167: 97940 + 590 = 98530
Step 168: 98530 + 590 = 99120
Step 169: 99120 + 590 = 99710
Step 170: 99710 + 590 = 100300
Step 171: 100300 + 590 = 100890
Step 172: 100890 + 590 = 101480
Step 173: 101480 + 590 = 102070
Step 174: 102070 + 590 = 102660
Step 175: 102660 + 590 = 103250
Step 176: 103250 + 590 = 103840
Step 177: 103840 + 590 = 104430
Step 178: 104430 + 590 = 105020
Step 179: 105020 + 590 = 105610
Step 180: 105610 + 590 = 106200
Step 181: 106200 + 590 = 106790
Step 182: 106790 + 590 = 107380
Step 183: 107380 + 590 = 107970
Step 184: 107970 + 590 = 108560
Step 185: 108560 + 590 = 109150
Step 186: 109150 + 590 = 109740
Step 187: 109740 + 590 = 110330
Step 188: 110330 + 590 = 110920
Step 189: 110920 + 590 = 111510
Step 190: 111510 + 590 = 112100
Step 191: 112100 + 590 = 112690
Step 192: 112690 + 590 = 113280
Step 193: 113280 + 590 = 113870
Step 194: 113870 + 590 = 114460
Step 195: 114460 + 590 = 115050
Step 196: 115050 + 590 = 115640
Step 197: 115640 + 590 = 116230
Step 198: 116230 + 590 = 116820
Step 199: 116820 + 590 = 117410
Step 200: 117410 + 590 = 118000
Step 201: 118000 + 590 = 118590
Step 202: 118590 + 590 = 119180
Step 203: 119180 + 590 = 119770
Step 204: 119770 + 590 = 120360
Step 205: 120360 + 590 = 120950
Step 206: 120950 + 590 = 121540
Step 207: 121540 + 590 = 122130
Step 208: 122130 + 590 = 122720
Step 209: 122720 + 590 = 123310
Step 210: 123310 + 590 = 123900
Step 211: 123900 + 590 = 124490
Step 212: 124490 + 590 = 125080
Step 213: 125080 + 590 = 125670
Step 214: 125670 + 590 = 126260
Step 215: 126260 + 590 = 126850
Step 216: 126850 + 590 = 127440
Step 217: 127440 + 590 = 128030
Step 218: 128030 + 590 = 128620
Step 219: 128620 + 590 = 129210
Step 220: 129210 + 590 = 129800
Step 221: 129800 + 590 = 130390
Step 222: 130390 + 590 = 130980
Step 223: 130980 + 590 = 131570
Step 224: 131570 + 590 = 132160
Step 225: 132160 + 590 = 132750
Step 226: 132750 + 590 = 133340
Step 227: 133340 + 590 = 133930
Step 228: 133930 + 590 = 134520
Step 229: 134520 + 590 = 135110
Step 230: 135110 + 590 = 135700
Step 231: 135700 + 590 = 136290
Step 232: 136290 + 590 = 136880
Step 233: 136880 + 590 = 137470
Step 234: 137470 + 590 = 138060
Step 235: 138060 + 590 = 138650
Step 236: 138650 + 590 = 139240
Step 237: 139240 + 590 = 139830
Step 238: 139830 + 590 = 140420
Step 239: 140420 + 590 = 141010
Step 240: 141010 + 590 = 141600
Step 241: 141600 + 590 = 142190
Step 242: 142190 + 590 = 142780
Step 243: 142780 + 590 = 143370
Step 244: 143370 + 590 = 143960
Step 245: 143960 + 590 = 144550
Step 246: 144550 + 590 = 145140
Step 247: 145140 + 590 = 145730
Step 248: 145730 + 590 = 146320
Step 249: 146320 + 590 = 146910
Step 250: 146910 + 590 = 147500
Step 251: 147500 + 590 = 148090
Step 252: 148090 + 590 = 148680
Step 253: 148680 + 590 = 149270
Step 254: 149270 + 590 = 149860
Step 255: 149860 + 590 = 150450
Step 256: 150450 + 590 = 151040
Step 257: 151040 + 590 = 151630
Step 258: 151630 + 590 = 152220
Step 259: 152220 + 590 = 152810
Step 260: 152810 + 590 = 153400
Step 261: 153400 + 590 = 153990
Step 262: 153990 + 590 = 154580
Step 263: 154580 + 590 = 155170
Step 264: 155170 + 590 = 155760
Step 265: 155760 + 590 = 156350
Step 266: 156350 + 590 = 156940
Step 267: 156940 + 590 = 157530
Step 268: 157530 + 590 = 158120
Step 269: 158120 + 590 = 158710
Step 270: 158710 + 590 = 159300
Step 271: 159300 + 590 = 159890
Step 272: 159890 + 590 = 160480
Step 273: 160480 + 590 = 161070
Step 274: 161070 + 590 = 161660
Step 275: 161660 + 590 = 162250
Step 276: 162250 + 590 = 162840
Step 277: 162840 + 590 = 163430
Step 278: 163430 + 590 = 164020
Step 279: 164020 + 590 = 164610
Step 280: 164610 + 590 = 165200
Step 281: 165200 + 590 = 165790
Step 282: 165790 + 590 = 166380
Step 283: 166380 + 590 = 166970
Step 284: 166970 + 590 = 167560
Step 285: 167560 + 590 = 168150
Step 286: 168150 + 590 = 168740
Step 287: 168740 + 590 = 169330
Step 288: 169330 + 590 = 169920
Step 289: 169920 + 590 = 170510
Step 290: 170510 + 590 = 171100
Step 291: 171100 + 590 = 171690
Step 292: 171690 + 590 = 172280
Step 293: 172280 + 590 = 172870
Step 294: 172870 + 590 = 173460
Step 295: 173460 + 590 = 174050
Step 296: 174050 + 590 = 174640
Step 297: 174640 + 590 = 175230
Step 298: 175230 + 590 = 175820
Step 299: 175820 + 590 = 176410
Step 300: 176410 + 590 = 177000
Step 301: 177000 + 590 = 177590
Step 302: 177590 + 590 = 178180
Step 303: 178180 + 590 = 178770
Step 304: 178770 + 590 = 179360
Step 305: 179360 + 590 = 179950
Step 306: 179950 + 590 = 180540
Step 307: 180540 + 590 = 181130
Step 308: 181130 + 590 = 181720
Step 309: 181720 + 590 = 182310
Step 310: 182310 + 590 = 182900
Step 311: 182900 + 590 = 183490
Step 312: 183490 + 590 = 184080
Step 313: 184080 + 590 = 184670
Step 314: 184670 + 590 = 185260
Step 315: 185260 + 590 = 185850
Step 316: 185850 + 590 = 186440
Step 317: 186440 + 590 = 187030
Step 318: 187030 + 590 = 187620
Step 319: 187620 + 590 = 188210
Step 320: 188210 + 590 = 188800
Step 321: 188800 + 590 = 189390
Step 322: 189390 + 590 = 189980
Step 323: 189980 + 590 = 190570
Step 324: 190570 + 590 = 191160
Step 325: 191160 + 590 = 191750
Step 326: 191750 + 590 = 192340
Step 327: 192340 + 590 = 192930
Step 328: 192930 + 590 = 193520
Step 329: 193520 + 590 = 194110
Step 330: 194110 + 590 = 194700
Step 331: 194700 + 590 = 195290
Step 332: 195290 + 590 = 195880
Step 333: 195880 + 590 = 196470
Step 334: 196470 + 590 = 197060
Step 335: 197060 + 590 = 197650
Step 336: 197650 + 590 = 198240
Step 337: 198240 + 590 = 198830
Step 338: 198830 + 590 = 199420
Step 339: 199420 + 590 = 200010
Step 340: 200010 + 590 = 200600
Step 341: 200600 + 590 = 201190
Step 342: 201190 + 590 = 201780
Step 343: 201780 + 590 = 202370
Step 344: 202370 + 590 = 202960
Step 345: 202960 + 590 = 203550
Step 346: 203550 + 590 = 204140
Step 347: 204140 + 590 = 204730
Step 348: 204730 + 590 = 205320
Step 349: 205320 + 590 = 205910
Step 350: 205910 + 590 = 206500
Step 351: 206500 + 590 = 207090
Step 352: 207090 + 590 = 207680
Step 353: 207680 + 590 = 208270
Step 354: 208270 + 590 = 208860
Step 355: 208860 + 590 = 209450
Step 356: 209450 + 590 = 210040
Step 357: 210040 + 590 = 210630
Step 358: 210630 + 590 = 211220
Step 359: 211220 + 590 = 211810
Step 360: 211810 + 590 = 212400
Step 361: 212400 + 590 = 212990
Step 362: 212990 + 590 = 213580
Step 363: 213580 + 590 = 214170
Step 364: 214170 + 590 = 214760
Step 365: 214760 + 590 = 215350
Step 366: 215350 + 590 = 215940
Step 367: 215940 + 590 = 216530
Step 368: 216530 + 590 = 217120
Step 369: 217120 + 590 = 217710
Step 370: 217710 + 590 = 218300
Step 371: 218300 + 590 = 218890
Step 372: 218890 + 590 = 219480
Step 373: 219480 + 590 = 220070
Step 374: 220070 + 590 = 220660
Step 375: 220660 + 590 = 221250
Step 376: 221250 + 590 = 221840
Step 377: 221840 + 590 = 222430
Step 378: 222430 + 590 = 223020
Step 379: 223020 + 590 = 223610
Step 380: 223610 + 590 = 224200
Step 381: 224200 + 590 = 224790
Step 382: 224790 + 590 = 225380
Step 383: 225380 + 590 = 225970
Step 384: 225970 + 590 = 226560
Step 385: 226560 + 590 = 227150
Step 386: 227150 + 590 = 227740
Step 387: 227740 + 590 = 228330
Step 388: 228330 + 590 = 228920
Step 389: 228920 + 590 = 229510
Step 390: 229510 + 590 = 230100
Step 391: 230100 + 590 = 230690
Step 392: 230690 + 590 = 231280
Step 393: 231280 + 590 = 231870
Step 394: 231870 + 590 = 232460
Step 395: 232460 + 590 = 233050
Step 396: 233050 + 590 = 233640
Step 397: 233640 + 590 = 234230
Step 398: 234230 + 590 = 234820

So, 590*398 = 234820