Alright, let's solve this math problem step by step. First, we have the number 159. 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 159 and add it to itself 285 times.
Step 1: 0 + 159 = 159
Step 2: 159 + 159 = 318
Step 3: 318 + 159 = 477
Step 4: 477 + 159 = 636
Step 5: 636 + 159 = 795
Step 6: 795 + 159 = 954
Step 7: 954 + 159 = 1113
Step 8: 1113 + 159 = 1272
Step 9: 1272 + 159 = 1431
Step 10: 1431 + 159 = 1590
Step 11: 1590 + 159 = 1749
Step 12: 1749 + 159 = 1908
Step 13: 1908 + 159 = 2067
Step 14: 2067 + 159 = 2226
Step 15: 2226 + 159 = 2385
Step 16: 2385 + 159 = 2544
Step 17: 2544 + 159 = 2703
Step 18: 2703 + 159 = 2862
Step 19: 2862 + 159 = 3021
Step 20: 3021 + 159 = 3180
Step 21: 3180 + 159 = 3339
Step 22: 3339 + 159 = 3498
Step 23: 3498 + 159 = 3657
Step 24: 3657 + 159 = 3816
Step 25: 3816 + 159 = 3975
Step 26: 3975 + 159 = 4134
Step 27: 4134 + 159 = 4293
Step 28: 4293 + 159 = 4452
Step 29: 4452 + 159 = 4611
Step 30: 4611 + 159 = 4770
Step 31: 4770 + 159 = 4929
Step 32: 4929 + 159 = 5088
Step 33: 5088 + 159 = 5247
Step 34: 5247 + 159 = 5406
Step 35: 5406 + 159 = 5565
Step 36: 5565 + 159 = 5724
Step 37: 5724 + 159 = 5883
Step 38: 5883 + 159 = 6042
Step 39: 6042 + 159 = 6201
Step 40: 6201 + 159 = 6360
Step 41: 6360 + 159 = 6519
Step 42: 6519 + 159 = 6678
Step 43: 6678 + 159 = 6837
Step 44: 6837 + 159 = 6996
Step 45: 6996 + 159 = 7155
Step 46: 7155 + 159 = 7314
Step 47: 7314 + 159 = 7473
Step 48: 7473 + 159 = 7632
Step 49: 7632 + 159 = 7791
Step 50: 7791 + 159 = 7950
Step 51: 7950 + 159 = 8109
Step 52: 8109 + 159 = 8268
Step 53: 8268 + 159 = 8427
Step 54: 8427 + 159 = 8586
Step 55: 8586 + 159 = 8745
Step 56: 8745 + 159 = 8904
Step 57: 8904 + 159 = 9063
Step 58: 9063 + 159 = 9222
Step 59: 9222 + 159 = 9381
Step 60: 9381 + 159 = 9540
Step 61: 9540 + 159 = 9699
Step 62: 9699 + 159 = 9858
Step 63: 9858 + 159 = 10017
Step 64: 10017 + 159 = 10176
Step 65: 10176 + 159 = 10335
Step 66: 10335 + 159 = 10494
Step 67: 10494 + 159 = 10653
Step 68: 10653 + 159 = 10812
Step 69: 10812 + 159 = 10971
Step 70: 10971 + 159 = 11130
Step 71: 11130 + 159 = 11289
Step 72: 11289 + 159 = 11448
Step 73: 11448 + 159 = 11607
Step 74: 11607 + 159 = 11766
Step 75: 11766 + 159 = 11925
Step 76: 11925 + 159 = 12084
Step 77: 12084 + 159 = 12243
Step 78: 12243 + 159 = 12402
Step 79: 12402 + 159 = 12561
Step 80: 12561 + 159 = 12720
Step 81: 12720 + 159 = 12879
Step 82: 12879 + 159 = 13038
Step 83: 13038 + 159 = 13197
Step 84: 13197 + 159 = 13356
Step 85: 13356 + 159 = 13515
Step 86: 13515 + 159 = 13674
Step 87: 13674 + 159 = 13833
Step 88: 13833 + 159 = 13992
Step 89: 13992 + 159 = 14151
Step 90: 14151 + 159 = 14310
Step 91: 14310 + 159 = 14469
Step 92: 14469 + 159 = 14628
Step 93: 14628 + 159 = 14787
Step 94: 14787 + 159 = 14946
Step 95: 14946 + 159 = 15105
Step 96: 15105 + 159 = 15264
Step 97: 15264 + 159 = 15423
Step 98: 15423 + 159 = 15582
Step 99: 15582 + 159 = 15741
Step 100: 15741 + 159 = 15900
Step 101: 15900 + 159 = 16059
Step 102: 16059 + 159 = 16218
Step 103: 16218 + 159 = 16377
Step 104: 16377 + 159 = 16536
Step 105: 16536 + 159 = 16695
Step 106: 16695 + 159 = 16854
Step 107: 16854 + 159 = 17013
Step 108: 17013 + 159 = 17172
Step 109: 17172 + 159 = 17331
Step 110: 17331 + 159 = 17490
Step 111: 17490 + 159 = 17649
Step 112: 17649 + 159 = 17808
Step 113: 17808 + 159 = 17967
Step 114: 17967 + 159 = 18126
Step 115: 18126 + 159 = 18285
Step 116: 18285 + 159 = 18444
Step 117: 18444 + 159 = 18603
Step 118: 18603 + 159 = 18762
Step 119: 18762 + 159 = 18921
Step 120: 18921 + 159 = 19080
Step 121: 19080 + 159 = 19239
Step 122: 19239 + 159 = 19398
Step 123: 19398 + 159 = 19557
Step 124: 19557 + 159 = 19716
Step 125: 19716 + 159 = 19875
Step 126: 19875 + 159 = 20034
Step 127: 20034 + 159 = 20193
Step 128: 20193 + 159 = 20352
Step 129: 20352 + 159 = 20511
Step 130: 20511 + 159 = 20670
Step 131: 20670 + 159 = 20829
Step 132: 20829 + 159 = 20988
Step 133: 20988 + 159 = 21147
Step 134: 21147 + 159 = 21306
Step 135: 21306 + 159 = 21465
Step 136: 21465 + 159 = 21624
Step 137: 21624 + 159 = 21783
Step 138: 21783 + 159 = 21942
Step 139: 21942 + 159 = 22101
Step 140: 22101 + 159 = 22260
Step 141: 22260 + 159 = 22419
Step 142: 22419 + 159 = 22578
Step 143: 22578 + 159 = 22737
Step 144: 22737 + 159 = 22896
Step 145: 22896 + 159 = 23055
Step 146: 23055 + 159 = 23214
Step 147: 23214 + 159 = 23373
Step 148: 23373 + 159 = 23532
Step 149: 23532 + 159 = 23691
Step 150: 23691 + 159 = 23850
Step 151: 23850 + 159 = 24009
Step 152: 24009 + 159 = 24168
Step 153: 24168 + 159 = 24327
Step 154: 24327 + 159 = 24486
Step 155: 24486 + 159 = 24645
Step 156: 24645 + 159 = 24804
Step 157: 24804 + 159 = 24963
Step 158: 24963 + 159 = 25122
Step 159: 25122 + 159 = 25281
Step 160: 25281 + 159 = 25440
Step 161: 25440 + 159 = 25599
Step 162: 25599 + 159 = 25758
Step 163: 25758 + 159 = 25917
Step 164: 25917 + 159 = 26076
Step 165: 26076 + 159 = 26235
Step 166: 26235 + 159 = 26394
Step 167: 26394 + 159 = 26553
Step 168: 26553 + 159 = 26712
Step 169: 26712 + 159 = 26871
Step 170: 26871 + 159 = 27030
Step 171: 27030 + 159 = 27189
Step 172: 27189 + 159 = 27348
Step 173: 27348 + 159 = 27507
Step 174: 27507 + 159 = 27666
Step 175: 27666 + 159 = 27825
Step 176: 27825 + 159 = 27984
Step 177: 27984 + 159 = 28143
Step 178: 28143 + 159 = 28302
Step 179: 28302 + 159 = 28461
Step 180: 28461 + 159 = 28620
Step 181: 28620 + 159 = 28779
Step 182: 28779 + 159 = 28938
Step 183: 28938 + 159 = 29097
Step 184: 29097 + 159 = 29256
Step 185: 29256 + 159 = 29415
Step 186: 29415 + 159 = 29574
Step 187: 29574 + 159 = 29733
Step 188: 29733 + 159 = 29892
Step 189: 29892 + 159 = 30051
Step 190: 30051 + 159 = 30210
Step 191: 30210 + 159 = 30369
Step 192: 30369 + 159 = 30528
Step 193: 30528 + 159 = 30687
Step 194: 30687 + 159 = 30846
Step 195: 30846 + 159 = 31005
Step 196: 31005 + 159 = 31164
Step 197: 31164 + 159 = 31323
Step 198: 31323 + 159 = 31482
Step 199: 31482 + 159 = 31641
Step 200: 31641 + 159 = 31800
Step 201: 31800 + 159 = 31959
Step 202: 31959 + 159 = 32118
Step 203: 32118 + 159 = 32277
Step 204: 32277 + 159 = 32436
Step 205: 32436 + 159 = 32595
Step 206: 32595 + 159 = 32754
Step 207: 32754 + 159 = 32913
Step 208: 32913 + 159 = 33072
Step 209: 33072 + 159 = 33231
Step 210: 33231 + 159 = 33390
Step 211: 33390 + 159 = 33549
Step 212: 33549 + 159 = 33708
Step 213: 33708 + 159 = 33867
Step 214: 33867 + 159 = 34026
Step 215: 34026 + 159 = 34185
Step 216: 34185 + 159 = 34344
Step 217: 34344 + 159 = 34503
Step 218: 34503 + 159 = 34662
Step 219: 34662 + 159 = 34821
Step 220: 34821 + 159 = 34980
Step 221: 34980 + 159 = 35139
Step 222: 35139 + 159 = 35298
Step 223: 35298 + 159 = 35457
Step 224: 35457 + 159 = 35616
Step 225: 35616 + 159 = 35775
Step 226: 35775 + 159 = 35934
Step 227: 35934 + 159 = 36093
Step 228: 36093 + 159 = 36252
Step 229: 36252 + 159 = 36411
Step 230: 36411 + 159 = 36570
Step 231: 36570 + 159 = 36729
Step 232: 36729 + 159 = 36888
Step 233: 36888 + 159 = 37047
Step 234: 37047 + 159 = 37206
Step 235: 37206 + 159 = 37365
Step 236: 37365 + 159 = 37524
Step 237: 37524 + 159 = 37683
Step 238: 37683 + 159 = 37842
Step 239: 37842 + 159 = 38001
Step 240: 38001 + 159 = 38160
Step 241: 38160 + 159 = 38319
Step 242: 38319 + 159 = 38478
Step 243: 38478 + 159 = 38637
Step 244: 38637 + 159 = 38796
Step 245: 38796 + 159 = 38955
Step 246: 38955 + 159 = 39114
Step 247: 39114 + 159 = 39273
Step 248: 39273 + 159 = 39432
Step 249: 39432 + 159 = 39591
Step 250: 39591 + 159 = 39750
Step 251: 39750 + 159 = 39909
Step 252: 39909 + 159 = 40068
Step 253: 40068 + 159 = 40227
Step 254: 40227 + 159 = 40386
Step 255: 40386 + 159 = 40545
Step 256: 40545 + 159 = 40704
Step 257: 40704 + 159 = 40863
Step 258: 40863 + 159 = 41022
Step 259: 41022 + 159 = 41181
Step 260: 41181 + 159 = 41340
Step 261: 41340 + 159 = 41499
Step 262: 41499 + 159 = 41658
Step 263: 41658 + 159 = 41817
Step 264: 41817 + 159 = 41976
Step 265: 41976 + 159 = 42135
Step 266: 42135 + 159 = 42294
Step 267: 42294 + 159 = 42453
Step 268: 42453 + 159 = 42612
Step 269: 42612 + 159 = 42771
Step 270: 42771 + 159 = 42930
Step 271: 42930 + 159 = 43089
Step 272: 43089 + 159 = 43248
Step 273: 43248 + 159 = 43407
Step 274: 43407 + 159 = 43566
Step 275: 43566 + 159 = 43725
Step 276: 43725 + 159 = 43884
Step 277: 43884 + 159 = 44043
Step 278: 44043 + 159 = 44202
Step 279: 44202 + 159 = 44361
Step 280: 44361 + 159 = 44520
Step 281: 44520 + 159 = 44679
Step 282: 44679 + 159 = 44838
Step 283: 44838 + 159 = 44997
Step 284: 44997 + 159 = 45156
Step 285: 45156 + 159 = 45315

So, 159*285 = 45315