Alright, let's solve this math problem step by step. First, we have the number 909. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 286. So, we're going to take the number 909 and add it to itself 286 times.
Step 1: 0 + 909 = 909
Step 2: 909 + 909 = 1818
Step 3: 1818 + 909 = 2727
Step 4: 2727 + 909 = 3636
Step 5: 3636 + 909 = 4545
Step 6: 4545 + 909 = 5454
Step 7: 5454 + 909 = 6363
Step 8: 6363 + 909 = 7272
Step 9: 7272 + 909 = 8181
Step 10: 8181 + 909 = 9090
Step 11: 9090 + 909 = 9999
Step 12: 9999 + 909 = 10908
Step 13: 10908 + 909 = 11817
Step 14: 11817 + 909 = 12726
Step 15: 12726 + 909 = 13635
Step 16: 13635 + 909 = 14544
Step 17: 14544 + 909 = 15453
Step 18: 15453 + 909 = 16362
Step 19: 16362 + 909 = 17271
Step 20: 17271 + 909 = 18180
Step 21: 18180 + 909 = 19089
Step 22: 19089 + 909 = 19998
Step 23: 19998 + 909 = 20907
Step 24: 20907 + 909 = 21816
Step 25: 21816 + 909 = 22725
Step 26: 22725 + 909 = 23634
Step 27: 23634 + 909 = 24543
Step 28: 24543 + 909 = 25452
Step 29: 25452 + 909 = 26361
Step 30: 26361 + 909 = 27270
Step 31: 27270 + 909 = 28179
Step 32: 28179 + 909 = 29088
Step 33: 29088 + 909 = 29997
Step 34: 29997 + 909 = 30906
Step 35: 30906 + 909 = 31815
Step 36: 31815 + 909 = 32724
Step 37: 32724 + 909 = 33633
Step 38: 33633 + 909 = 34542
Step 39: 34542 + 909 = 35451
Step 40: 35451 + 909 = 36360
Step 41: 36360 + 909 = 37269
Step 42: 37269 + 909 = 38178
Step 43: 38178 + 909 = 39087
Step 44: 39087 + 909 = 39996
Step 45: 39996 + 909 = 40905
Step 46: 40905 + 909 = 41814
Step 47: 41814 + 909 = 42723
Step 48: 42723 + 909 = 43632
Step 49: 43632 + 909 = 44541
Step 50: 44541 + 909 = 45450
Step 51: 45450 + 909 = 46359
Step 52: 46359 + 909 = 47268
Step 53: 47268 + 909 = 48177
Step 54: 48177 + 909 = 49086
Step 55: 49086 + 909 = 49995
Step 56: 49995 + 909 = 50904
Step 57: 50904 + 909 = 51813
Step 58: 51813 + 909 = 52722
Step 59: 52722 + 909 = 53631
Step 60: 53631 + 909 = 54540
Step 61: 54540 + 909 = 55449
Step 62: 55449 + 909 = 56358
Step 63: 56358 + 909 = 57267
Step 64: 57267 + 909 = 58176
Step 65: 58176 + 909 = 59085
Step 66: 59085 + 909 = 59994
Step 67: 59994 + 909 = 60903
Step 68: 60903 + 909 = 61812
Step 69: 61812 + 909 = 62721
Step 70: 62721 + 909 = 63630
Step 71: 63630 + 909 = 64539
Step 72: 64539 + 909 = 65448
Step 73: 65448 + 909 = 66357
Step 74: 66357 + 909 = 67266
Step 75: 67266 + 909 = 68175
Step 76: 68175 + 909 = 69084
Step 77: 69084 + 909 = 69993
Step 78: 69993 + 909 = 70902
Step 79: 70902 + 909 = 71811
Step 80: 71811 + 909 = 72720
Step 81: 72720 + 909 = 73629
Step 82: 73629 + 909 = 74538
Step 83: 74538 + 909 = 75447
Step 84: 75447 + 909 = 76356
Step 85: 76356 + 909 = 77265
Step 86: 77265 + 909 = 78174
Step 87: 78174 + 909 = 79083
Step 88: 79083 + 909 = 79992
Step 89: 79992 + 909 = 80901
Step 90: 80901 + 909 = 81810
Step 91: 81810 + 909 = 82719
Step 92: 82719 + 909 = 83628
Step 93: 83628 + 909 = 84537
Step 94: 84537 + 909 = 85446
Step 95: 85446 + 909 = 86355
Step 96: 86355 + 909 = 87264
Step 97: 87264 + 909 = 88173
Step 98: 88173 + 909 = 89082
Step 99: 89082 + 909 = 89991
Step 100: 89991 + 909 = 90900
Step 101: 90900 + 909 = 91809
Step 102: 91809 + 909 = 92718
Step 103: 92718 + 909 = 93627
Step 104: 93627 + 909 = 94536
Step 105: 94536 + 909 = 95445
Step 106: 95445 + 909 = 96354
Step 107: 96354 + 909 = 97263
Step 108: 97263 + 909 = 98172
Step 109: 98172 + 909 = 99081
Step 110: 99081 + 909 = 99990
Step 111: 99990 + 909 = 100899
Step 112: 100899 + 909 = 101808
Step 113: 101808 + 909 = 102717
Step 114: 102717 + 909 = 103626
Step 115: 103626 + 909 = 104535
Step 116: 104535 + 909 = 105444
Step 117: 105444 + 909 = 106353
Step 118: 106353 + 909 = 107262
Step 119: 107262 + 909 = 108171
Step 120: 108171 + 909 = 109080
Step 121: 109080 + 909 = 109989
Step 122: 109989 + 909 = 110898
Step 123: 110898 + 909 = 111807
Step 124: 111807 + 909 = 112716
Step 125: 112716 + 909 = 113625
Step 126: 113625 + 909 = 114534
Step 127: 114534 + 909 = 115443
Step 128: 115443 + 909 = 116352
Step 129: 116352 + 909 = 117261
Step 130: 117261 + 909 = 118170
Step 131: 118170 + 909 = 119079
Step 132: 119079 + 909 = 119988
Step 133: 119988 + 909 = 120897
Step 134: 120897 + 909 = 121806
Step 135: 121806 + 909 = 122715
Step 136: 122715 + 909 = 123624
Step 137: 123624 + 909 = 124533
Step 138: 124533 + 909 = 125442
Step 139: 125442 + 909 = 126351
Step 140: 126351 + 909 = 127260
Step 141: 127260 + 909 = 128169
Step 142: 128169 + 909 = 129078
Step 143: 129078 + 909 = 129987
Step 144: 129987 + 909 = 130896
Step 145: 130896 + 909 = 131805
Step 146: 131805 + 909 = 132714
Step 147: 132714 + 909 = 133623
Step 148: 133623 + 909 = 134532
Step 149: 134532 + 909 = 135441
Step 150: 135441 + 909 = 136350
Step 151: 136350 + 909 = 137259
Step 152: 137259 + 909 = 138168
Step 153: 138168 + 909 = 139077
Step 154: 139077 + 909 = 139986
Step 155: 139986 + 909 = 140895
Step 156: 140895 + 909 = 141804
Step 157: 141804 + 909 = 142713
Step 158: 142713 + 909 = 143622
Step 159: 143622 + 909 = 144531
Step 160: 144531 + 909 = 145440
Step 161: 145440 + 909 = 146349
Step 162: 146349 + 909 = 147258
Step 163: 147258 + 909 = 148167
Step 164: 148167 + 909 = 149076
Step 165: 149076 + 909 = 149985
Step 166: 149985 + 909 = 150894
Step 167: 150894 + 909 = 151803
Step 168: 151803 + 909 = 152712
Step 169: 152712 + 909 = 153621
Step 170: 153621 + 909 = 154530
Step 171: 154530 + 909 = 155439
Step 172: 155439 + 909 = 156348
Step 173: 156348 + 909 = 157257
Step 174: 157257 + 909 = 158166
Step 175: 158166 + 909 = 159075
Step 176: 159075 + 909 = 159984
Step 177: 159984 + 909 = 160893
Step 178: 160893 + 909 = 161802
Step 179: 161802 + 909 = 162711
Step 180: 162711 + 909 = 163620
Step 181: 163620 + 909 = 164529
Step 182: 164529 + 909 = 165438
Step 183: 165438 + 909 = 166347
Step 184: 166347 + 909 = 167256
Step 185: 167256 + 909 = 168165
Step 186: 168165 + 909 = 169074
Step 187: 169074 + 909 = 169983
Step 188: 169983 + 909 = 170892
Step 189: 170892 + 909 = 171801
Step 190: 171801 + 909 = 172710
Step 191: 172710 + 909 = 173619
Step 192: 173619 + 909 = 174528
Step 193: 174528 + 909 = 175437
Step 194: 175437 + 909 = 176346
Step 195: 176346 + 909 = 177255
Step 196: 177255 + 909 = 178164
Step 197: 178164 + 909 = 179073
Step 198: 179073 + 909 = 179982
Step 199: 179982 + 909 = 180891
Step 200: 180891 + 909 = 181800
Step 201: 181800 + 909 = 182709
Step 202: 182709 + 909 = 183618
Step 203: 183618 + 909 = 184527
Step 204: 184527 + 909 = 185436
Step 205: 185436 + 909 = 186345
Step 206: 186345 + 909 = 187254
Step 207: 187254 + 909 = 188163
Step 208: 188163 + 909 = 189072
Step 209: 189072 + 909 = 189981
Step 210: 189981 + 909 = 190890
Step 211: 190890 + 909 = 191799
Step 212: 191799 + 909 = 192708
Step 213: 192708 + 909 = 193617
Step 214: 193617 + 909 = 194526
Step 215: 194526 + 909 = 195435
Step 216: 195435 + 909 = 196344
Step 217: 196344 + 909 = 197253
Step 218: 197253 + 909 = 198162
Step 219: 198162 + 909 = 199071
Step 220: 199071 + 909 = 199980
Step 221: 199980 + 909 = 200889
Step 222: 200889 + 909 = 201798
Step 223: 201798 + 909 = 202707
Step 224: 202707 + 909 = 203616
Step 225: 203616 + 909 = 204525
Step 226: 204525 + 909 = 205434
Step 227: 205434 + 909 = 206343
Step 228: 206343 + 909 = 207252
Step 229: 207252 + 909 = 208161
Step 230: 208161 + 909 = 209070
Step 231: 209070 + 909 = 209979
Step 232: 209979 + 909 = 210888
Step 233: 210888 + 909 = 211797
Step 234: 211797 + 909 = 212706
Step 235: 212706 + 909 = 213615
Step 236: 213615 + 909 = 214524
Step 237: 214524 + 909 = 215433
Step 238: 215433 + 909 = 216342
Step 239: 216342 + 909 = 217251
Step 240: 217251 + 909 = 218160
Step 241: 218160 + 909 = 219069
Step 242: 219069 + 909 = 219978
Step 243: 219978 + 909 = 220887
Step 244: 220887 + 909 = 221796
Step 245: 221796 + 909 = 222705
Step 246: 222705 + 909 = 223614
Step 247: 223614 + 909 = 224523
Step 248: 224523 + 909 = 225432
Step 249: 225432 + 909 = 226341
Step 250: 226341 + 909 = 227250
Step 251: 227250 + 909 = 228159
Step 252: 228159 + 909 = 229068
Step 253: 229068 + 909 = 229977
Step 254: 229977 + 909 = 230886
Step 255: 230886 + 909 = 231795
Step 256: 231795 + 909 = 232704
Step 257: 232704 + 909 = 233613
Step 258: 233613 + 909 = 234522
Step 259: 234522 + 909 = 235431
Step 260: 235431 + 909 = 236340
Step 261: 236340 + 909 = 237249
Step 262: 237249 + 909 = 238158
Step 263: 238158 + 909 = 239067
Step 264: 239067 + 909 = 239976
Step 265: 239976 + 909 = 240885
Step 266: 240885 + 909 = 241794
Step 267: 241794 + 909 = 242703
Step 268: 242703 + 909 = 243612
Step 269: 243612 + 909 = 244521
Step 270: 244521 + 909 = 245430
Step 271: 245430 + 909 = 246339
Step 272: 246339 + 909 = 247248
Step 273: 247248 + 909 = 248157
Step 274: 248157 + 909 = 249066
Step 275: 249066 + 909 = 249975
Step 276: 249975 + 909 = 250884
Step 277: 250884 + 909 = 251793
Step 278: 251793 + 909 = 252702
Step 279: 252702 + 909 = 253611
Step 280: 253611 + 909 = 254520
Step 281: 254520 + 909 = 255429
Step 282: 255429 + 909 = 256338
Step 283: 256338 + 909 = 257247
Step 284: 257247 + 909 = 258156
Step 285: 258156 + 909 = 259065
Step 286: 259065 + 909 = 259974

So, 909*286 = 259974