Let's roll up our sleeves and solve this. We have 242 and we're going to multiply it by 452, essentially adding 242 to itself 452 times.
Step 1: 0 + 242 = 242
Step 2: 242 + 242 = 484
Step 3: 484 + 242 = 726
Step 4: 726 + 242 = 968
Step 5: 968 + 242 = 1210
Step 6: 1210 + 242 = 1452
Step 7: 1452 + 242 = 1694
Step 8: 1694 + 242 = 1936
Step 9: 1936 + 242 = 2178
Step 10: 2178 + 242 = 2420
Step 11: 2420 + 242 = 2662
Step 12: 2662 + 242 = 2904
Step 13: 2904 + 242 = 3146
Step 14: 3146 + 242 = 3388
Step 15: 3388 + 242 = 3630
Step 16: 3630 + 242 = 3872
Step 17: 3872 + 242 = 4114
Step 18: 4114 + 242 = 4356
Step 19: 4356 + 242 = 4598
Step 20: 4598 + 242 = 4840
Step 21: 4840 + 242 = 5082
Step 22: 5082 + 242 = 5324
Step 23: 5324 + 242 = 5566
Step 24: 5566 + 242 = 5808
Step 25: 5808 + 242 = 6050
Step 26: 6050 + 242 = 6292
Step 27: 6292 + 242 = 6534
Step 28: 6534 + 242 = 6776
Step 29: 6776 + 242 = 7018
Step 30: 7018 + 242 = 7260
Step 31: 7260 + 242 = 7502
Step 32: 7502 + 242 = 7744
Step 33: 7744 + 242 = 7986
Step 34: 7986 + 242 = 8228
Step 35: 8228 + 242 = 8470
Step 36: 8470 + 242 = 8712
Step 37: 8712 + 242 = 8954
Step 38: 8954 + 242 = 9196
Step 39: 9196 + 242 = 9438
Step 40: 9438 + 242 = 9680
Step 41: 9680 + 242 = 9922
Step 42: 9922 + 242 = 10164
Step 43: 10164 + 242 = 10406
Step 44: 10406 + 242 = 10648
Step 45: 10648 + 242 = 10890
Step 46: 10890 + 242 = 11132
Step 47: 11132 + 242 = 11374
Step 48: 11374 + 242 = 11616
Step 49: 11616 + 242 = 11858
Step 50: 11858 + 242 = 12100
Step 51: 12100 + 242 = 12342
Step 52: 12342 + 242 = 12584
Step 53: 12584 + 242 = 12826
Step 54: 12826 + 242 = 13068
Step 55: 13068 + 242 = 13310
Step 56: 13310 + 242 = 13552
Step 57: 13552 + 242 = 13794
Step 58: 13794 + 242 = 14036
Step 59: 14036 + 242 = 14278
Step 60: 14278 + 242 = 14520
Step 61: 14520 + 242 = 14762
Step 62: 14762 + 242 = 15004
Step 63: 15004 + 242 = 15246
Step 64: 15246 + 242 = 15488
Step 65: 15488 + 242 = 15730
Step 66: 15730 + 242 = 15972
Step 67: 15972 + 242 = 16214
Step 68: 16214 + 242 = 16456
Step 69: 16456 + 242 = 16698
Step 70: 16698 + 242 = 16940
Step 71: 16940 + 242 = 17182
Step 72: 17182 + 242 = 17424
Step 73: 17424 + 242 = 17666
Step 74: 17666 + 242 = 17908
Step 75: 17908 + 242 = 18150
Step 76: 18150 + 242 = 18392
Step 77: 18392 + 242 = 18634
Step 78: 18634 + 242 = 18876
Step 79: 18876 + 242 = 19118
Step 80: 19118 + 242 = 19360
Step 81: 19360 + 242 = 19602
Step 82: 19602 + 242 = 19844
Step 83: 19844 + 242 = 20086
Step 84: 20086 + 242 = 20328
Step 85: 20328 + 242 = 20570
Step 86: 20570 + 242 = 20812
Step 87: 20812 + 242 = 21054
Step 88: 21054 + 242 = 21296
Step 89: 21296 + 242 = 21538
Step 90: 21538 + 242 = 21780
Step 91: 21780 + 242 = 22022
Step 92: 22022 + 242 = 22264
Step 93: 22264 + 242 = 22506
Step 94: 22506 + 242 = 22748
Step 95: 22748 + 242 = 22990
Step 96: 22990 + 242 = 23232
Step 97: 23232 + 242 = 23474
Step 98: 23474 + 242 = 23716
Step 99: 23716 + 242 = 23958
Step 100: 23958 + 242 = 24200
Step 101: 24200 + 242 = 24442
Step 102: 24442 + 242 = 24684
Step 103: 24684 + 242 = 24926
Step 104: 24926 + 242 = 25168
Step 105: 25168 + 242 = 25410
Step 106: 25410 + 242 = 25652
Step 107: 25652 + 242 = 25894
Step 108: 25894 + 242 = 26136
Step 109: 26136 + 242 = 26378
Step 110: 26378 + 242 = 26620
Step 111: 26620 + 242 = 26862
Step 112: 26862 + 242 = 27104
Step 113: 27104 + 242 = 27346
Step 114: 27346 + 242 = 27588
Step 115: 27588 + 242 = 27830
Step 116: 27830 + 242 = 28072
Step 117: 28072 + 242 = 28314
Step 118: 28314 + 242 = 28556
Step 119: 28556 + 242 = 28798
Step 120: 28798 + 242 = 29040
Step 121: 29040 + 242 = 29282
Step 122: 29282 + 242 = 29524
Step 123: 29524 + 242 = 29766
Step 124: 29766 + 242 = 30008
Step 125: 30008 + 242 = 30250
Step 126: 30250 + 242 = 30492
Step 127: 30492 + 242 = 30734
Step 128: 30734 + 242 = 30976
Step 129: 30976 + 242 = 31218
Step 130: 31218 + 242 = 31460
Step 131: 31460 + 242 = 31702
Step 132: 31702 + 242 = 31944
Step 133: 31944 + 242 = 32186
Step 134: 32186 + 242 = 32428
Step 135: 32428 + 242 = 32670
Step 136: 32670 + 242 = 32912
Step 137: 32912 + 242 = 33154
Step 138: 33154 + 242 = 33396
Step 139: 33396 + 242 = 33638
Step 140: 33638 + 242 = 33880
Step 141: 33880 + 242 = 34122
Step 142: 34122 + 242 = 34364
Step 143: 34364 + 242 = 34606
Step 144: 34606 + 242 = 34848
Step 145: 34848 + 242 = 35090
Step 146: 35090 + 242 = 35332
Step 147: 35332 + 242 = 35574
Step 148: 35574 + 242 = 35816
Step 149: 35816 + 242 = 36058
Step 150: 36058 + 242 = 36300
Step 151: 36300 + 242 = 36542
Step 152: 36542 + 242 = 36784
Step 153: 36784 + 242 = 37026
Step 154: 37026 + 242 = 37268
Step 155: 37268 + 242 = 37510
Step 156: 37510 + 242 = 37752
Step 157: 37752 + 242 = 37994
Step 158: 37994 + 242 = 38236
Step 159: 38236 + 242 = 38478
Step 160: 38478 + 242 = 38720
Step 161: 38720 + 242 = 38962
Step 162: 38962 + 242 = 39204
Step 163: 39204 + 242 = 39446
Step 164: 39446 + 242 = 39688
Step 165: 39688 + 242 = 39930
Step 166: 39930 + 242 = 40172
Step 167: 40172 + 242 = 40414
Step 168: 40414 + 242 = 40656
Step 169: 40656 + 242 = 40898
Step 170: 40898 + 242 = 41140
Step 171: 41140 + 242 = 41382
Step 172: 41382 + 242 = 41624
Step 173: 41624 + 242 = 41866
Step 174: 41866 + 242 = 42108
Step 175: 42108 + 242 = 42350
Step 176: 42350 + 242 = 42592
Step 177: 42592 + 242 = 42834
Step 178: 42834 + 242 = 43076
Step 179: 43076 + 242 = 43318
Step 180: 43318 + 242 = 43560
Step 181: 43560 + 242 = 43802
Step 182: 43802 + 242 = 44044
Step 183: 44044 + 242 = 44286
Step 184: 44286 + 242 = 44528
Step 185: 44528 + 242 = 44770
Step 186: 44770 + 242 = 45012
Step 187: 45012 + 242 = 45254
Step 188: 45254 + 242 = 45496
Step 189: 45496 + 242 = 45738
Step 190: 45738 + 242 = 45980
Step 191: 45980 + 242 = 46222
Step 192: 46222 + 242 = 46464
Step 193: 46464 + 242 = 46706
Step 194: 46706 + 242 = 46948
Step 195: 46948 + 242 = 47190
Step 196: 47190 + 242 = 47432
Step 197: 47432 + 242 = 47674
Step 198: 47674 + 242 = 47916
Step 199: 47916 + 242 = 48158
Step 200: 48158 + 242 = 48400
Step 201: 48400 + 242 = 48642
Step 202: 48642 + 242 = 48884
Step 203: 48884 + 242 = 49126
Step 204: 49126 + 242 = 49368
Step 205: 49368 + 242 = 49610
Step 206: 49610 + 242 = 49852
Step 207: 49852 + 242 = 50094
Step 208: 50094 + 242 = 50336
Step 209: 50336 + 242 = 50578
Step 210: 50578 + 242 = 50820
Step 211: 50820 + 242 = 51062
Step 212: 51062 + 242 = 51304
Step 213: 51304 + 242 = 51546
Step 214: 51546 + 242 = 51788
Step 215: 51788 + 242 = 52030
Step 216: 52030 + 242 = 52272
Step 217: 52272 + 242 = 52514
Step 218: 52514 + 242 = 52756
Step 219: 52756 + 242 = 52998
Step 220: 52998 + 242 = 53240
Step 221: 53240 + 242 = 53482
Step 222: 53482 + 242 = 53724
Step 223: 53724 + 242 = 53966
Step 224: 53966 + 242 = 54208
Step 225: 54208 + 242 = 54450
Step 226: 54450 + 242 = 54692
Step 227: 54692 + 242 = 54934
Step 228: 54934 + 242 = 55176
Step 229: 55176 + 242 = 55418
Step 230: 55418 + 242 = 55660
Step 231: 55660 + 242 = 55902
Step 232: 55902 + 242 = 56144
Step 233: 56144 + 242 = 56386
Step 234: 56386 + 242 = 56628
Step 235: 56628 + 242 = 56870
Step 236: 56870 + 242 = 57112
Step 237: 57112 + 242 = 57354
Step 238: 57354 + 242 = 57596
Step 239: 57596 + 242 = 57838
Step 240: 57838 + 242 = 58080
Step 241: 58080 + 242 = 58322
Step 242: 58322 + 242 = 58564
Step 243: 58564 + 242 = 58806
Step 244: 58806 + 242 = 59048
Step 245: 59048 + 242 = 59290
Step 246: 59290 + 242 = 59532
Step 247: 59532 + 242 = 59774
Step 248: 59774 + 242 = 60016
Step 249: 60016 + 242 = 60258
Step 250: 60258 + 242 = 60500
Step 251: 60500 + 242 = 60742
Step 252: 60742 + 242 = 60984
Step 253: 60984 + 242 = 61226
Step 254: 61226 + 242 = 61468
Step 255: 61468 + 242 = 61710
Step 256: 61710 + 242 = 61952
Step 257: 61952 + 242 = 62194
Step 258: 62194 + 242 = 62436
Step 259: 62436 + 242 = 62678
Step 260: 62678 + 242 = 62920
Step 261: 62920 + 242 = 63162
Step 262: 63162 + 242 = 63404
Step 263: 63404 + 242 = 63646
Step 264: 63646 + 242 = 63888
Step 265: 63888 + 242 = 64130
Step 266: 64130 + 242 = 64372
Step 267: 64372 + 242 = 64614
Step 268: 64614 + 242 = 64856
Step 269: 64856 + 242 = 65098
Step 270: 65098 + 242 = 65340
Step 271: 65340 + 242 = 65582
Step 272: 65582 + 242 = 65824
Step 273: 65824 + 242 = 66066
Step 274: 66066 + 242 = 66308
Step 275: 66308 + 242 = 66550
Step 276: 66550 + 242 = 66792
Step 277: 66792 + 242 = 67034
Step 278: 67034 + 242 = 67276
Step 279: 67276 + 242 = 67518
Step 280: 67518 + 242 = 67760
Step 281: 67760 + 242 = 68002
Step 282: 68002 + 242 = 68244
Step 283: 68244 + 242 = 68486
Step 284: 68486 + 242 = 68728
Step 285: 68728 + 242 = 68970
Step 286: 68970 + 242 = 69212
Step 287: 69212 + 242 = 69454
Step 288: 69454 + 242 = 69696
Step 289: 69696 + 242 = 69938
Step 290: 69938 + 242 = 70180
Step 291: 70180 + 242 = 70422
Step 292: 70422 + 242 = 70664
Step 293: 70664 + 242 = 70906
Step 294: 70906 + 242 = 71148
Step 295: 71148 + 242 = 71390
Step 296: 71390 + 242 = 71632
Step 297: 71632 + 242 = 71874
Step 298: 71874 + 242 = 72116
Step 299: 72116 + 242 = 72358
Step 300: 72358 + 242 = 72600
Step 301: 72600 + 242 = 72842
Step 302: 72842 + 242 = 73084
Step 303: 73084 + 242 = 73326
Step 304: 73326 + 242 = 73568
Step 305: 73568 + 242 = 73810
Step 306: 73810 + 242 = 74052
Step 307: 74052 + 242 = 74294
Step 308: 74294 + 242 = 74536
Step 309: 74536 + 242 = 74778
Step 310: 74778 + 242 = 75020
Step 311: 75020 + 242 = 75262
Step 312: 75262 + 242 = 75504
Step 313: 75504 + 242 = 75746
Step 314: 75746 + 242 = 75988
Step 315: 75988 + 242 = 76230
Step 316: 76230 + 242 = 76472
Step 317: 76472 + 242 = 76714
Step 318: 76714 + 242 = 76956
Step 319: 76956 + 242 = 77198
Step 320: 77198 + 242 = 77440
Step 321: 77440 + 242 = 77682
Step 322: 77682 + 242 = 77924
Step 323: 77924 + 242 = 78166
Step 324: 78166 + 242 = 78408
Step 325: 78408 + 242 = 78650
Step 326: 78650 + 242 = 78892
Step 327: 78892 + 242 = 79134
Step 328: 79134 + 242 = 79376
Step 329: 79376 + 242 = 79618
Step 330: 79618 + 242 = 79860
Step 331: 79860 + 242 = 80102
Step 332: 80102 + 242 = 80344
Step 333: 80344 + 242 = 80586
Step 334: 80586 + 242 = 80828
Step 335: 80828 + 242 = 81070
Step 336: 81070 + 242 = 81312
Step 337: 81312 + 242 = 81554
Step 338: 81554 + 242 = 81796
Step 339: 81796 + 242 = 82038
Step 340: 82038 + 242 = 82280
Step 341: 82280 + 242 = 82522
Step 342: 82522 + 242 = 82764
Step 343: 82764 + 242 = 83006
Step 344: 83006 + 242 = 83248
Step 345: 83248 + 242 = 83490
Step 346: 83490 + 242 = 83732
Step 347: 83732 + 242 = 83974
Step 348: 83974 + 242 = 84216
Step 349: 84216 + 242 = 84458
Step 350: 84458 + 242 = 84700
Step 351: 84700 + 242 = 84942
Step 352: 84942 + 242 = 85184
Step 353: 85184 + 242 = 85426
Step 354: 85426 + 242 = 85668
Step 355: 85668 + 242 = 85910
Step 356: 85910 + 242 = 86152
Step 357: 86152 + 242 = 86394
Step 358: 86394 + 242 = 86636
Step 359: 86636 + 242 = 86878
Step 360: 86878 + 242 = 87120
Step 361: 87120 + 242 = 87362
Step 362: 87362 + 242 = 87604
Step 363: 87604 + 242 = 87846
Step 364: 87846 + 242 = 88088
Step 365: 88088 + 242 = 88330
Step 366: 88330 + 242 = 88572
Step 367: 88572 + 242 = 88814
Step 368: 88814 + 242 = 89056
Step 369: 89056 + 242 = 89298
Step 370: 89298 + 242 = 89540
Step 371: 89540 + 242 = 89782
Step 372: 89782 + 242 = 90024
Step 373: 90024 + 242 = 90266
Step 374: 90266 + 242 = 90508
Step 375: 90508 + 242 = 90750
Step 376: 90750 + 242 = 90992
Step 377: 90992 + 242 = 91234
Step 378: 91234 + 242 = 91476
Step 379: 91476 + 242 = 91718
Step 380: 91718 + 242 = 91960
Step 381: 91960 + 242 = 92202
Step 382: 92202 + 242 = 92444
Step 383: 92444 + 242 = 92686
Step 384: 92686 + 242 = 92928
Step 385: 92928 + 242 = 93170
Step 386: 93170 + 242 = 93412
Step 387: 93412 + 242 = 93654
Step 388: 93654 + 242 = 93896
Step 389: 93896 + 242 = 94138
Step 390: 94138 + 242 = 94380
Step 391: 94380 + 242 = 94622
Step 392: 94622 + 242 = 94864
Step 393: 94864 + 242 = 95106
Step 394: 95106 + 242 = 95348
Step 395: 95348 + 242 = 95590
Step 396: 95590 + 242 = 95832
Step 397: 95832 + 242 = 96074
Step 398: 96074 + 242 = 96316
Step 399: 96316 + 242 = 96558
Step 400: 96558 + 242 = 96800
Step 401: 96800 + 242 = 97042
Step 402: 97042 + 242 = 97284
Step 403: 97284 + 242 = 97526
Step 404: 97526 + 242 = 97768
Step 405: 97768 + 242 = 98010
Step 406: 98010 + 242 = 98252
Step 407: 98252 + 242 = 98494
Step 408: 98494 + 242 = 98736
Step 409: 98736 + 242 = 98978
Step 410: 98978 + 242 = 99220
Step 411: 99220 + 242 = 99462
Step 412: 99462 + 242 = 99704
Step 413: 99704 + 242 = 99946
Step 414: 99946 + 242 = 100188
Step 415: 100188 + 242 = 100430
Step 416: 100430 + 242 = 100672
Step 417: 100672 + 242 = 100914
Step 418: 100914 + 242 = 101156
Step 419: 101156 + 242 = 101398
Step 420: 101398 + 242 = 101640
Step 421: 101640 + 242 = 101882
Step 422: 101882 + 242 = 102124
Step 423: 102124 + 242 = 102366
Step 424: 102366 + 242 = 102608
Step 425: 102608 + 242 = 102850
Step 426: 102850 + 242 = 103092
Step 427: 103092 + 242 = 103334
Step 428: 103334 + 242 = 103576
Step 429: 103576 + 242 = 103818
Step 430: 103818 + 242 = 104060
Step 431: 104060 + 242 = 104302
Step 432: 104302 + 242 = 104544
Step 433: 104544 + 242 = 104786
Step 434: 104786 + 242 = 105028
Step 435: 105028 + 242 = 105270
Step 436: 105270 + 242 = 105512
Step 437: 105512 + 242 = 105754
Step 438: 105754 + 242 = 105996
Step 439: 105996 + 242 = 106238
Step 440: 106238 + 242 = 106480
Step 441: 106480 + 242 = 106722
Step 442: 106722 + 242 = 106964
Step 443: 106964 + 242 = 107206
Step 444: 107206 + 242 = 107448
Step 445: 107448 + 242 = 107690
Step 446: 107690 + 242 = 107932
Step 447: 107932 + 242 = 108174
Step 448: 108174 + 242 = 108416
Step 449: 108416 + 242 = 108658
Step 450: 108658 + 242 = 108900
Step 451: 108900 + 242 = 109142
Step 452: 109142 + 242 = 109384

So, 242*452 = 109384