Alright, let's solve this math problem step by step. First, we have the number 523. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 285. So, we're going to take the number 523 and add it to itself 285 times.
Step 1: 0 + 523 = 523
Step 2: 523 + 523 = 1046
Step 3: 1046 + 523 = 1569
Step 4: 1569 + 523 = 2092
Step 5: 2092 + 523 = 2615
Step 6: 2615 + 523 = 3138
Step 7: 3138 + 523 = 3661
Step 8: 3661 + 523 = 4184
Step 9: 4184 + 523 = 4707
Step 10: 4707 + 523 = 5230
Step 11: 5230 + 523 = 5753
Step 12: 5753 + 523 = 6276
Step 13: 6276 + 523 = 6799
Step 14: 6799 + 523 = 7322
Step 15: 7322 + 523 = 7845
Step 16: 7845 + 523 = 8368
Step 17: 8368 + 523 = 8891
Step 18: 8891 + 523 = 9414
Step 19: 9414 + 523 = 9937
Step 20: 9937 + 523 = 10460
Step 21: 10460 + 523 = 10983
Step 22: 10983 + 523 = 11506
Step 23: 11506 + 523 = 12029
Step 24: 12029 + 523 = 12552
Step 25: 12552 + 523 = 13075
Step 26: 13075 + 523 = 13598
Step 27: 13598 + 523 = 14121
Step 28: 14121 + 523 = 14644
Step 29: 14644 + 523 = 15167
Step 30: 15167 + 523 = 15690
Step 31: 15690 + 523 = 16213
Step 32: 16213 + 523 = 16736
Step 33: 16736 + 523 = 17259
Step 34: 17259 + 523 = 17782
Step 35: 17782 + 523 = 18305
Step 36: 18305 + 523 = 18828
Step 37: 18828 + 523 = 19351
Step 38: 19351 + 523 = 19874
Step 39: 19874 + 523 = 20397
Step 40: 20397 + 523 = 20920
Step 41: 20920 + 523 = 21443
Step 42: 21443 + 523 = 21966
Step 43: 21966 + 523 = 22489
Step 44: 22489 + 523 = 23012
Step 45: 23012 + 523 = 23535
Step 46: 23535 + 523 = 24058
Step 47: 24058 + 523 = 24581
Step 48: 24581 + 523 = 25104
Step 49: 25104 + 523 = 25627
Step 50: 25627 + 523 = 26150
Step 51: 26150 + 523 = 26673
Step 52: 26673 + 523 = 27196
Step 53: 27196 + 523 = 27719
Step 54: 27719 + 523 = 28242
Step 55: 28242 + 523 = 28765
Step 56: 28765 + 523 = 29288
Step 57: 29288 + 523 = 29811
Step 58: 29811 + 523 = 30334
Step 59: 30334 + 523 = 30857
Step 60: 30857 + 523 = 31380
Step 61: 31380 + 523 = 31903
Step 62: 31903 + 523 = 32426
Step 63: 32426 + 523 = 32949
Step 64: 32949 + 523 = 33472
Step 65: 33472 + 523 = 33995
Step 66: 33995 + 523 = 34518
Step 67: 34518 + 523 = 35041
Step 68: 35041 + 523 = 35564
Step 69: 35564 + 523 = 36087
Step 70: 36087 + 523 = 36610
Step 71: 36610 + 523 = 37133
Step 72: 37133 + 523 = 37656
Step 73: 37656 + 523 = 38179
Step 74: 38179 + 523 = 38702
Step 75: 38702 + 523 = 39225
Step 76: 39225 + 523 = 39748
Step 77: 39748 + 523 = 40271
Step 78: 40271 + 523 = 40794
Step 79: 40794 + 523 = 41317
Step 80: 41317 + 523 = 41840
Step 81: 41840 + 523 = 42363
Step 82: 42363 + 523 = 42886
Step 83: 42886 + 523 = 43409
Step 84: 43409 + 523 = 43932
Step 85: 43932 + 523 = 44455
Step 86: 44455 + 523 = 44978
Step 87: 44978 + 523 = 45501
Step 88: 45501 + 523 = 46024
Step 89: 46024 + 523 = 46547
Step 90: 46547 + 523 = 47070
Step 91: 47070 + 523 = 47593
Step 92: 47593 + 523 = 48116
Step 93: 48116 + 523 = 48639
Step 94: 48639 + 523 = 49162
Step 95: 49162 + 523 = 49685
Step 96: 49685 + 523 = 50208
Step 97: 50208 + 523 = 50731
Step 98: 50731 + 523 = 51254
Step 99: 51254 + 523 = 51777
Step 100: 51777 + 523 = 52300
Step 101: 52300 + 523 = 52823
Step 102: 52823 + 523 = 53346
Step 103: 53346 + 523 = 53869
Step 104: 53869 + 523 = 54392
Step 105: 54392 + 523 = 54915
Step 106: 54915 + 523 = 55438
Step 107: 55438 + 523 = 55961
Step 108: 55961 + 523 = 56484
Step 109: 56484 + 523 = 57007
Step 110: 57007 + 523 = 57530
Step 111: 57530 + 523 = 58053
Step 112: 58053 + 523 = 58576
Step 113: 58576 + 523 = 59099
Step 114: 59099 + 523 = 59622
Step 115: 59622 + 523 = 60145
Step 116: 60145 + 523 = 60668
Step 117: 60668 + 523 = 61191
Step 118: 61191 + 523 = 61714
Step 119: 61714 + 523 = 62237
Step 120: 62237 + 523 = 62760
Step 121: 62760 + 523 = 63283
Step 122: 63283 + 523 = 63806
Step 123: 63806 + 523 = 64329
Step 124: 64329 + 523 = 64852
Step 125: 64852 + 523 = 65375
Step 126: 65375 + 523 = 65898
Step 127: 65898 + 523 = 66421
Step 128: 66421 + 523 = 66944
Step 129: 66944 + 523 = 67467
Step 130: 67467 + 523 = 67990
Step 131: 67990 + 523 = 68513
Step 132: 68513 + 523 = 69036
Step 133: 69036 + 523 = 69559
Step 134: 69559 + 523 = 70082
Step 135: 70082 + 523 = 70605
Step 136: 70605 + 523 = 71128
Step 137: 71128 + 523 = 71651
Step 138: 71651 + 523 = 72174
Step 139: 72174 + 523 = 72697
Step 140: 72697 + 523 = 73220
Step 141: 73220 + 523 = 73743
Step 142: 73743 + 523 = 74266
Step 143: 74266 + 523 = 74789
Step 144: 74789 + 523 = 75312
Step 145: 75312 + 523 = 75835
Step 146: 75835 + 523 = 76358
Step 147: 76358 + 523 = 76881
Step 148: 76881 + 523 = 77404
Step 149: 77404 + 523 = 77927
Step 150: 77927 + 523 = 78450
Step 151: 78450 + 523 = 78973
Step 152: 78973 + 523 = 79496
Step 153: 79496 + 523 = 80019
Step 154: 80019 + 523 = 80542
Step 155: 80542 + 523 = 81065
Step 156: 81065 + 523 = 81588
Step 157: 81588 + 523 = 82111
Step 158: 82111 + 523 = 82634
Step 159: 82634 + 523 = 83157
Step 160: 83157 + 523 = 83680
Step 161: 83680 + 523 = 84203
Step 162: 84203 + 523 = 84726
Step 163: 84726 + 523 = 85249
Step 164: 85249 + 523 = 85772
Step 165: 85772 + 523 = 86295
Step 166: 86295 + 523 = 86818
Step 167: 86818 + 523 = 87341
Step 168: 87341 + 523 = 87864
Step 169: 87864 + 523 = 88387
Step 170: 88387 + 523 = 88910
Step 171: 88910 + 523 = 89433
Step 172: 89433 + 523 = 89956
Step 173: 89956 + 523 = 90479
Step 174: 90479 + 523 = 91002
Step 175: 91002 + 523 = 91525
Step 176: 91525 + 523 = 92048
Step 177: 92048 + 523 = 92571
Step 178: 92571 + 523 = 93094
Step 179: 93094 + 523 = 93617
Step 180: 93617 + 523 = 94140
Step 181: 94140 + 523 = 94663
Step 182: 94663 + 523 = 95186
Step 183: 95186 + 523 = 95709
Step 184: 95709 + 523 = 96232
Step 185: 96232 + 523 = 96755
Step 186: 96755 + 523 = 97278
Step 187: 97278 + 523 = 97801
Step 188: 97801 + 523 = 98324
Step 189: 98324 + 523 = 98847
Step 190: 98847 + 523 = 99370
Step 191: 99370 + 523 = 99893
Step 192: 99893 + 523 = 100416
Step 193: 100416 + 523 = 100939
Step 194: 100939 + 523 = 101462
Step 195: 101462 + 523 = 101985
Step 196: 101985 + 523 = 102508
Step 197: 102508 + 523 = 103031
Step 198: 103031 + 523 = 103554
Step 199: 103554 + 523 = 104077
Step 200: 104077 + 523 = 104600
Step 201: 104600 + 523 = 105123
Step 202: 105123 + 523 = 105646
Step 203: 105646 + 523 = 106169
Step 204: 106169 + 523 = 106692
Step 205: 106692 + 523 = 107215
Step 206: 107215 + 523 = 107738
Step 207: 107738 + 523 = 108261
Step 208: 108261 + 523 = 108784
Step 209: 108784 + 523 = 109307
Step 210: 109307 + 523 = 109830
Step 211: 109830 + 523 = 110353
Step 212: 110353 + 523 = 110876
Step 213: 110876 + 523 = 111399
Step 214: 111399 + 523 = 111922
Step 215: 111922 + 523 = 112445
Step 216: 112445 + 523 = 112968
Step 217: 112968 + 523 = 113491
Step 218: 113491 + 523 = 114014
Step 219: 114014 + 523 = 114537
Step 220: 114537 + 523 = 115060
Step 221: 115060 + 523 = 115583
Step 222: 115583 + 523 = 116106
Step 223: 116106 + 523 = 116629
Step 224: 116629 + 523 = 117152
Step 225: 117152 + 523 = 117675
Step 226: 117675 + 523 = 118198
Step 227: 118198 + 523 = 118721
Step 228: 118721 + 523 = 119244
Step 229: 119244 + 523 = 119767
Step 230: 119767 + 523 = 120290
Step 231: 120290 + 523 = 120813
Step 232: 120813 + 523 = 121336
Step 233: 121336 + 523 = 121859
Step 234: 121859 + 523 = 122382
Step 235: 122382 + 523 = 122905
Step 236: 122905 + 523 = 123428
Step 237: 123428 + 523 = 123951
Step 238: 123951 + 523 = 124474
Step 239: 124474 + 523 = 124997
Step 240: 124997 + 523 = 125520
Step 241: 125520 + 523 = 126043
Step 242: 126043 + 523 = 126566
Step 243: 126566 + 523 = 127089
Step 244: 127089 + 523 = 127612
Step 245: 127612 + 523 = 128135
Step 246: 128135 + 523 = 128658
Step 247: 128658 + 523 = 129181
Step 248: 129181 + 523 = 129704
Step 249: 129704 + 523 = 130227
Step 250: 130227 + 523 = 130750
Step 251: 130750 + 523 = 131273
Step 252: 131273 + 523 = 131796
Step 253: 131796 + 523 = 132319
Step 254: 132319 + 523 = 132842
Step 255: 132842 + 523 = 133365
Step 256: 133365 + 523 = 133888
Step 257: 133888 + 523 = 134411
Step 258: 134411 + 523 = 134934
Step 259: 134934 + 523 = 135457
Step 260: 135457 + 523 = 135980
Step 261: 135980 + 523 = 136503
Step 262: 136503 + 523 = 137026
Step 263: 137026 + 523 = 137549
Step 264: 137549 + 523 = 138072
Step 265: 138072 + 523 = 138595
Step 266: 138595 + 523 = 139118
Step 267: 139118 + 523 = 139641
Step 268: 139641 + 523 = 140164
Step 269: 140164 + 523 = 140687
Step 270: 140687 + 523 = 141210
Step 271: 141210 + 523 = 141733
Step 272: 141733 + 523 = 142256
Step 273: 142256 + 523 = 142779
Step 274: 142779 + 523 = 143302
Step 275: 143302 + 523 = 143825
Step 276: 143825 + 523 = 144348
Step 277: 144348 + 523 = 144871
Step 278: 144871 + 523 = 145394
Step 279: 145394 + 523 = 145917
Step 280: 145917 + 523 = 146440
Step 281: 146440 + 523 = 146963
Step 282: 146963 + 523 = 147486
Step 283: 147486 + 523 = 148009
Step 284: 148009 + 523 = 148532
Step 285: 148532 + 523 = 149055

So, 523*285 = 149055