OK, let's work through this together. We're starting with 599 and we're going to multiply it by 450, which means we add 599 to itself 450 times.
Step 1: 0 + 599 = 599
Step 2: 599 + 599 = 1198
Step 3: 1198 + 599 = 1797
Step 4: 1797 + 599 = 2396
Step 5: 2396 + 599 = 2995
Step 6: 2995 + 599 = 3594
Step 7: 3594 + 599 = 4193
Step 8: 4193 + 599 = 4792
Step 9: 4792 + 599 = 5391
Step 10: 5391 + 599 = 5990
Step 11: 5990 + 599 = 6589
Step 12: 6589 + 599 = 7188
Step 13: 7188 + 599 = 7787
Step 14: 7787 + 599 = 8386
Step 15: 8386 + 599 = 8985
Step 16: 8985 + 599 = 9584
Step 17: 9584 + 599 = 10183
Step 18: 10183 + 599 = 10782
Step 19: 10782 + 599 = 11381
Step 20: 11381 + 599 = 11980
Step 21: 11980 + 599 = 12579
Step 22: 12579 + 599 = 13178
Step 23: 13178 + 599 = 13777
Step 24: 13777 + 599 = 14376
Step 25: 14376 + 599 = 14975
Step 26: 14975 + 599 = 15574
Step 27: 15574 + 599 = 16173
Step 28: 16173 + 599 = 16772
Step 29: 16772 + 599 = 17371
Step 30: 17371 + 599 = 17970
Step 31: 17970 + 599 = 18569
Step 32: 18569 + 599 = 19168
Step 33: 19168 + 599 = 19767
Step 34: 19767 + 599 = 20366
Step 35: 20366 + 599 = 20965
Step 36: 20965 + 599 = 21564
Step 37: 21564 + 599 = 22163
Step 38: 22163 + 599 = 22762
Step 39: 22762 + 599 = 23361
Step 40: 23361 + 599 = 23960
Step 41: 23960 + 599 = 24559
Step 42: 24559 + 599 = 25158
Step 43: 25158 + 599 = 25757
Step 44: 25757 + 599 = 26356
Step 45: 26356 + 599 = 26955
Step 46: 26955 + 599 = 27554
Step 47: 27554 + 599 = 28153
Step 48: 28153 + 599 = 28752
Step 49: 28752 + 599 = 29351
Step 50: 29351 + 599 = 29950
Step 51: 29950 + 599 = 30549
Step 52: 30549 + 599 = 31148
Step 53: 31148 + 599 = 31747
Step 54: 31747 + 599 = 32346
Step 55: 32346 + 599 = 32945
Step 56: 32945 + 599 = 33544
Step 57: 33544 + 599 = 34143
Step 58: 34143 + 599 = 34742
Step 59: 34742 + 599 = 35341
Step 60: 35341 + 599 = 35940
Step 61: 35940 + 599 = 36539
Step 62: 36539 + 599 = 37138
Step 63: 37138 + 599 = 37737
Step 64: 37737 + 599 = 38336
Step 65: 38336 + 599 = 38935
Step 66: 38935 + 599 = 39534
Step 67: 39534 + 599 = 40133
Step 68: 40133 + 599 = 40732
Step 69: 40732 + 599 = 41331
Step 70: 41331 + 599 = 41930
Step 71: 41930 + 599 = 42529
Step 72: 42529 + 599 = 43128
Step 73: 43128 + 599 = 43727
Step 74: 43727 + 599 = 44326
Step 75: 44326 + 599 = 44925
Step 76: 44925 + 599 = 45524
Step 77: 45524 + 599 = 46123
Step 78: 46123 + 599 = 46722
Step 79: 46722 + 599 = 47321
Step 80: 47321 + 599 = 47920
Step 81: 47920 + 599 = 48519
Step 82: 48519 + 599 = 49118
Step 83: 49118 + 599 = 49717
Step 84: 49717 + 599 = 50316
Step 85: 50316 + 599 = 50915
Step 86: 50915 + 599 = 51514
Step 87: 51514 + 599 = 52113
Step 88: 52113 + 599 = 52712
Step 89: 52712 + 599 = 53311
Step 90: 53311 + 599 = 53910
Step 91: 53910 + 599 = 54509
Step 92: 54509 + 599 = 55108
Step 93: 55108 + 599 = 55707
Step 94: 55707 + 599 = 56306
Step 95: 56306 + 599 = 56905
Step 96: 56905 + 599 = 57504
Step 97: 57504 + 599 = 58103
Step 98: 58103 + 599 = 58702
Step 99: 58702 + 599 = 59301
Step 100: 59301 + 599 = 59900
Step 101: 59900 + 599 = 60499
Step 102: 60499 + 599 = 61098
Step 103: 61098 + 599 = 61697
Step 104: 61697 + 599 = 62296
Step 105: 62296 + 599 = 62895
Step 106: 62895 + 599 = 63494
Step 107: 63494 + 599 = 64093
Step 108: 64093 + 599 = 64692
Step 109: 64692 + 599 = 65291
Step 110: 65291 + 599 = 65890
Step 111: 65890 + 599 = 66489
Step 112: 66489 + 599 = 67088
Step 113: 67088 + 599 = 67687
Step 114: 67687 + 599 = 68286
Step 115: 68286 + 599 = 68885
Step 116: 68885 + 599 = 69484
Step 117: 69484 + 599 = 70083
Step 118: 70083 + 599 = 70682
Step 119: 70682 + 599 = 71281
Step 120: 71281 + 599 = 71880
Step 121: 71880 + 599 = 72479
Step 122: 72479 + 599 = 73078
Step 123: 73078 + 599 = 73677
Step 124: 73677 + 599 = 74276
Step 125: 74276 + 599 = 74875
Step 126: 74875 + 599 = 75474
Step 127: 75474 + 599 = 76073
Step 128: 76073 + 599 = 76672
Step 129: 76672 + 599 = 77271
Step 130: 77271 + 599 = 77870
Step 131: 77870 + 599 = 78469
Step 132: 78469 + 599 = 79068
Step 133: 79068 + 599 = 79667
Step 134: 79667 + 599 = 80266
Step 135: 80266 + 599 = 80865
Step 136: 80865 + 599 = 81464
Step 137: 81464 + 599 = 82063
Step 138: 82063 + 599 = 82662
Step 139: 82662 + 599 = 83261
Step 140: 83261 + 599 = 83860
Step 141: 83860 + 599 = 84459
Step 142: 84459 + 599 = 85058
Step 143: 85058 + 599 = 85657
Step 144: 85657 + 599 = 86256
Step 145: 86256 + 599 = 86855
Step 146: 86855 + 599 = 87454
Step 147: 87454 + 599 = 88053
Step 148: 88053 + 599 = 88652
Step 149: 88652 + 599 = 89251
Step 150: 89251 + 599 = 89850
Step 151: 89850 + 599 = 90449
Step 152: 90449 + 599 = 91048
Step 153: 91048 + 599 = 91647
Step 154: 91647 + 599 = 92246
Step 155: 92246 + 599 = 92845
Step 156: 92845 + 599 = 93444
Step 157: 93444 + 599 = 94043
Step 158: 94043 + 599 = 94642
Step 159: 94642 + 599 = 95241
Step 160: 95241 + 599 = 95840
Step 161: 95840 + 599 = 96439
Step 162: 96439 + 599 = 97038
Step 163: 97038 + 599 = 97637
Step 164: 97637 + 599 = 98236
Step 165: 98236 + 599 = 98835
Step 166: 98835 + 599 = 99434
Step 167: 99434 + 599 = 100033
Step 168: 100033 + 599 = 100632
Step 169: 100632 + 599 = 101231
Step 170: 101231 + 599 = 101830
Step 171: 101830 + 599 = 102429
Step 172: 102429 + 599 = 103028
Step 173: 103028 + 599 = 103627
Step 174: 103627 + 599 = 104226
Step 175: 104226 + 599 = 104825
Step 176: 104825 + 599 = 105424
Step 177: 105424 + 599 = 106023
Step 178: 106023 + 599 = 106622
Step 179: 106622 + 599 = 107221
Step 180: 107221 + 599 = 107820
Step 181: 107820 + 599 = 108419
Step 182: 108419 + 599 = 109018
Step 183: 109018 + 599 = 109617
Step 184: 109617 + 599 = 110216
Step 185: 110216 + 599 = 110815
Step 186: 110815 + 599 = 111414
Step 187: 111414 + 599 = 112013
Step 188: 112013 + 599 = 112612
Step 189: 112612 + 599 = 113211
Step 190: 113211 + 599 = 113810
Step 191: 113810 + 599 = 114409
Step 192: 114409 + 599 = 115008
Step 193: 115008 + 599 = 115607
Step 194: 115607 + 599 = 116206
Step 195: 116206 + 599 = 116805
Step 196: 116805 + 599 = 117404
Step 197: 117404 + 599 = 118003
Step 198: 118003 + 599 = 118602
Step 199: 118602 + 599 = 119201
Step 200: 119201 + 599 = 119800
Step 201: 119800 + 599 = 120399
Step 202: 120399 + 599 = 120998
Step 203: 120998 + 599 = 121597
Step 204: 121597 + 599 = 122196
Step 205: 122196 + 599 = 122795
Step 206: 122795 + 599 = 123394
Step 207: 123394 + 599 = 123993
Step 208: 123993 + 599 = 124592
Step 209: 124592 + 599 = 125191
Step 210: 125191 + 599 = 125790
Step 211: 125790 + 599 = 126389
Step 212: 126389 + 599 = 126988
Step 213: 126988 + 599 = 127587
Step 214: 127587 + 599 = 128186
Step 215: 128186 + 599 = 128785
Step 216: 128785 + 599 = 129384
Step 217: 129384 + 599 = 129983
Step 218: 129983 + 599 = 130582
Step 219: 130582 + 599 = 131181
Step 220: 131181 + 599 = 131780
Step 221: 131780 + 599 = 132379
Step 222: 132379 + 599 = 132978
Step 223: 132978 + 599 = 133577
Step 224: 133577 + 599 = 134176
Step 225: 134176 + 599 = 134775
Step 226: 134775 + 599 = 135374
Step 227: 135374 + 599 = 135973
Step 228: 135973 + 599 = 136572
Step 229: 136572 + 599 = 137171
Step 230: 137171 + 599 = 137770
Step 231: 137770 + 599 = 138369
Step 232: 138369 + 599 = 138968
Step 233: 138968 + 599 = 139567
Step 234: 139567 + 599 = 140166
Step 235: 140166 + 599 = 140765
Step 236: 140765 + 599 = 141364
Step 237: 141364 + 599 = 141963
Step 238: 141963 + 599 = 142562
Step 239: 142562 + 599 = 143161
Step 240: 143161 + 599 = 143760
Step 241: 143760 + 599 = 144359
Step 242: 144359 + 599 = 144958
Step 243: 144958 + 599 = 145557
Step 244: 145557 + 599 = 146156
Step 245: 146156 + 599 = 146755
Step 246: 146755 + 599 = 147354
Step 247: 147354 + 599 = 147953
Step 248: 147953 + 599 = 148552
Step 249: 148552 + 599 = 149151
Step 250: 149151 + 599 = 149750
Step 251: 149750 + 599 = 150349
Step 252: 150349 + 599 = 150948
Step 253: 150948 + 599 = 151547
Step 254: 151547 + 599 = 152146
Step 255: 152146 + 599 = 152745
Step 256: 152745 + 599 = 153344
Step 257: 153344 + 599 = 153943
Step 258: 153943 + 599 = 154542
Step 259: 154542 + 599 = 155141
Step 260: 155141 + 599 = 155740
Step 261: 155740 + 599 = 156339
Step 262: 156339 + 599 = 156938
Step 263: 156938 + 599 = 157537
Step 264: 157537 + 599 = 158136
Step 265: 158136 + 599 = 158735
Step 266: 158735 + 599 = 159334
Step 267: 159334 + 599 = 159933
Step 268: 159933 + 599 = 160532
Step 269: 160532 + 599 = 161131
Step 270: 161131 + 599 = 161730
Step 271: 161730 + 599 = 162329
Step 272: 162329 + 599 = 162928
Step 273: 162928 + 599 = 163527
Step 274: 163527 + 599 = 164126
Step 275: 164126 + 599 = 164725
Step 276: 164725 + 599 = 165324
Step 277: 165324 + 599 = 165923
Step 278: 165923 + 599 = 166522
Step 279: 166522 + 599 = 167121
Step 280: 167121 + 599 = 167720
Step 281: 167720 + 599 = 168319
Step 282: 168319 + 599 = 168918
Step 283: 168918 + 599 = 169517
Step 284: 169517 + 599 = 170116
Step 285: 170116 + 599 = 170715
Step 286: 170715 + 599 = 171314
Step 287: 171314 + 599 = 171913
Step 288: 171913 + 599 = 172512
Step 289: 172512 + 599 = 173111
Step 290: 173111 + 599 = 173710
Step 291: 173710 + 599 = 174309
Step 292: 174309 + 599 = 174908
Step 293: 174908 + 599 = 175507
Step 294: 175507 + 599 = 176106
Step 295: 176106 + 599 = 176705
Step 296: 176705 + 599 = 177304
Step 297: 177304 + 599 = 177903
Step 298: 177903 + 599 = 178502
Step 299: 178502 + 599 = 179101
Step 300: 179101 + 599 = 179700
Step 301: 179700 + 599 = 180299
Step 302: 180299 + 599 = 180898
Step 303: 180898 + 599 = 181497
Step 304: 181497 + 599 = 182096
Step 305: 182096 + 599 = 182695
Step 306: 182695 + 599 = 183294
Step 307: 183294 + 599 = 183893
Step 308: 183893 + 599 = 184492
Step 309: 184492 + 599 = 185091
Step 310: 185091 + 599 = 185690
Step 311: 185690 + 599 = 186289
Step 312: 186289 + 599 = 186888
Step 313: 186888 + 599 = 187487
Step 314: 187487 + 599 = 188086
Step 315: 188086 + 599 = 188685
Step 316: 188685 + 599 = 189284
Step 317: 189284 + 599 = 189883
Step 318: 189883 + 599 = 190482
Step 319: 190482 + 599 = 191081
Step 320: 191081 + 599 = 191680
Step 321: 191680 + 599 = 192279
Step 322: 192279 + 599 = 192878
Step 323: 192878 + 599 = 193477
Step 324: 193477 + 599 = 194076
Step 325: 194076 + 599 = 194675
Step 326: 194675 + 599 = 195274
Step 327: 195274 + 599 = 195873
Step 328: 195873 + 599 = 196472
Step 329: 196472 + 599 = 197071
Step 330: 197071 + 599 = 197670
Step 331: 197670 + 599 = 198269
Step 332: 198269 + 599 = 198868
Step 333: 198868 + 599 = 199467
Step 334: 199467 + 599 = 200066
Step 335: 200066 + 599 = 200665
Step 336: 200665 + 599 = 201264
Step 337: 201264 + 599 = 201863
Step 338: 201863 + 599 = 202462
Step 339: 202462 + 599 = 203061
Step 340: 203061 + 599 = 203660
Step 341: 203660 + 599 = 204259
Step 342: 204259 + 599 = 204858
Step 343: 204858 + 599 = 205457
Step 344: 205457 + 599 = 206056
Step 345: 206056 + 599 = 206655
Step 346: 206655 + 599 = 207254
Step 347: 207254 + 599 = 207853
Step 348: 207853 + 599 = 208452
Step 349: 208452 + 599 = 209051
Step 350: 209051 + 599 = 209650
Step 351: 209650 + 599 = 210249
Step 352: 210249 + 599 = 210848
Step 353: 210848 + 599 = 211447
Step 354: 211447 + 599 = 212046
Step 355: 212046 + 599 = 212645
Step 356: 212645 + 599 = 213244
Step 357: 213244 + 599 = 213843
Step 358: 213843 + 599 = 214442
Step 359: 214442 + 599 = 215041
Step 360: 215041 + 599 = 215640
Step 361: 215640 + 599 = 216239
Step 362: 216239 + 599 = 216838
Step 363: 216838 + 599 = 217437
Step 364: 217437 + 599 = 218036
Step 365: 218036 + 599 = 218635
Step 366: 218635 + 599 = 219234
Step 367: 219234 + 599 = 219833
Step 368: 219833 + 599 = 220432
Step 369: 220432 + 599 = 221031
Step 370: 221031 + 599 = 221630
Step 371: 221630 + 599 = 222229
Step 372: 222229 + 599 = 222828
Step 373: 222828 + 599 = 223427
Step 374: 223427 + 599 = 224026
Step 375: 224026 + 599 = 224625
Step 376: 224625 + 599 = 225224
Step 377: 225224 + 599 = 225823
Step 378: 225823 + 599 = 226422
Step 379: 226422 + 599 = 227021
Step 380: 227021 + 599 = 227620
Step 381: 227620 + 599 = 228219
Step 382: 228219 + 599 = 228818
Step 383: 228818 + 599 = 229417
Step 384: 229417 + 599 = 230016
Step 385: 230016 + 599 = 230615
Step 386: 230615 + 599 = 231214
Step 387: 231214 + 599 = 231813
Step 388: 231813 + 599 = 232412
Step 389: 232412 + 599 = 233011
Step 390: 233011 + 599 = 233610
Step 391: 233610 + 599 = 234209
Step 392: 234209 + 599 = 234808
Step 393: 234808 + 599 = 235407
Step 394: 235407 + 599 = 236006
Step 395: 236006 + 599 = 236605
Step 396: 236605 + 599 = 237204
Step 397: 237204 + 599 = 237803
Step 398: 237803 + 599 = 238402
Step 399: 238402 + 599 = 239001
Step 400: 239001 + 599 = 239600
Step 401: 239600 + 599 = 240199
Step 402: 240199 + 599 = 240798
Step 403: 240798 + 599 = 241397
Step 404: 241397 + 599 = 241996
Step 405: 241996 + 599 = 242595
Step 406: 242595 + 599 = 243194
Step 407: 243194 + 599 = 243793
Step 408: 243793 + 599 = 244392
Step 409: 244392 + 599 = 244991
Step 410: 244991 + 599 = 245590
Step 411: 245590 + 599 = 246189
Step 412: 246189 + 599 = 246788
Step 413: 246788 + 599 = 247387
Step 414: 247387 + 599 = 247986
Step 415: 247986 + 599 = 248585
Step 416: 248585 + 599 = 249184
Step 417: 249184 + 599 = 249783
Step 418: 249783 + 599 = 250382
Step 419: 250382 + 599 = 250981
Step 420: 250981 + 599 = 251580
Step 421: 251580 + 599 = 252179
Step 422: 252179 + 599 = 252778
Step 423: 252778 + 599 = 253377
Step 424: 253377 + 599 = 253976
Step 425: 253976 + 599 = 254575
Step 426: 254575 + 599 = 255174
Step 427: 255174 + 599 = 255773
Step 428: 255773 + 599 = 256372
Step 429: 256372 + 599 = 256971
Step 430: 256971 + 599 = 257570
Step 431: 257570 + 599 = 258169
Step 432: 258169 + 599 = 258768
Step 433: 258768 + 599 = 259367
Step 434: 259367 + 599 = 259966
Step 435: 259966 + 599 = 260565
Step 436: 260565 + 599 = 261164
Step 437: 261164 + 599 = 261763
Step 438: 261763 + 599 = 262362
Step 439: 262362 + 599 = 262961
Step 440: 262961 + 599 = 263560
Step 441: 263560 + 599 = 264159
Step 442: 264159 + 599 = 264758
Step 443: 264758 + 599 = 265357
Step 444: 265357 + 599 = 265956
Step 445: 265956 + 599 = 266555
Step 446: 266555 + 599 = 267154
Step 447: 267154 + 599 = 267753
Step 448: 267753 + 599 = 268352
Step 449: 268352 + 599 = 268951
Step 450: 268951 + 599 = 269550

So, 599*450 = 269550