Alright, let's solve this math problem step by step. First, we have the number 623. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 236. So, we're going to take the number 623 and add it to itself 236 times.
Step 1: 0 + 623 = 623
Step 2: 623 + 623 = 1246
Step 3: 1246 + 623 = 1869
Step 4: 1869 + 623 = 2492
Step 5: 2492 + 623 = 3115
Step 6: 3115 + 623 = 3738
Step 7: 3738 + 623 = 4361
Step 8: 4361 + 623 = 4984
Step 9: 4984 + 623 = 5607
Step 10: 5607 + 623 = 6230
Step 11: 6230 + 623 = 6853
Step 12: 6853 + 623 = 7476
Step 13: 7476 + 623 = 8099
Step 14: 8099 + 623 = 8722
Step 15: 8722 + 623 = 9345
Step 16: 9345 + 623 = 9968
Step 17: 9968 + 623 = 10591
Step 18: 10591 + 623 = 11214
Step 19: 11214 + 623 = 11837
Step 20: 11837 + 623 = 12460
Step 21: 12460 + 623 = 13083
Step 22: 13083 + 623 = 13706
Step 23: 13706 + 623 = 14329
Step 24: 14329 + 623 = 14952
Step 25: 14952 + 623 = 15575
Step 26: 15575 + 623 = 16198
Step 27: 16198 + 623 = 16821
Step 28: 16821 + 623 = 17444
Step 29: 17444 + 623 = 18067
Step 30: 18067 + 623 = 18690
Step 31: 18690 + 623 = 19313
Step 32: 19313 + 623 = 19936
Step 33: 19936 + 623 = 20559
Step 34: 20559 + 623 = 21182
Step 35: 21182 + 623 = 21805
Step 36: 21805 + 623 = 22428
Step 37: 22428 + 623 = 23051
Step 38: 23051 + 623 = 23674
Step 39: 23674 + 623 = 24297
Step 40: 24297 + 623 = 24920
Step 41: 24920 + 623 = 25543
Step 42: 25543 + 623 = 26166
Step 43: 26166 + 623 = 26789
Step 44: 26789 + 623 = 27412
Step 45: 27412 + 623 = 28035
Step 46: 28035 + 623 = 28658
Step 47: 28658 + 623 = 29281
Step 48: 29281 + 623 = 29904
Step 49: 29904 + 623 = 30527
Step 50: 30527 + 623 = 31150
Step 51: 31150 + 623 = 31773
Step 52: 31773 + 623 = 32396
Step 53: 32396 + 623 = 33019
Step 54: 33019 + 623 = 33642
Step 55: 33642 + 623 = 34265
Step 56: 34265 + 623 = 34888
Step 57: 34888 + 623 = 35511
Step 58: 35511 + 623 = 36134
Step 59: 36134 + 623 = 36757
Step 60: 36757 + 623 = 37380
Step 61: 37380 + 623 = 38003
Step 62: 38003 + 623 = 38626
Step 63: 38626 + 623 = 39249
Step 64: 39249 + 623 = 39872
Step 65: 39872 + 623 = 40495
Step 66: 40495 + 623 = 41118
Step 67: 41118 + 623 = 41741
Step 68: 41741 + 623 = 42364
Step 69: 42364 + 623 = 42987
Step 70: 42987 + 623 = 43610
Step 71: 43610 + 623 = 44233
Step 72: 44233 + 623 = 44856
Step 73: 44856 + 623 = 45479
Step 74: 45479 + 623 = 46102
Step 75: 46102 + 623 = 46725
Step 76: 46725 + 623 = 47348
Step 77: 47348 + 623 = 47971
Step 78: 47971 + 623 = 48594
Step 79: 48594 + 623 = 49217
Step 80: 49217 + 623 = 49840
Step 81: 49840 + 623 = 50463
Step 82: 50463 + 623 = 51086
Step 83: 51086 + 623 = 51709
Step 84: 51709 + 623 = 52332
Step 85: 52332 + 623 = 52955
Step 86: 52955 + 623 = 53578
Step 87: 53578 + 623 = 54201
Step 88: 54201 + 623 = 54824
Step 89: 54824 + 623 = 55447
Step 90: 55447 + 623 = 56070
Step 91: 56070 + 623 = 56693
Step 92: 56693 + 623 = 57316
Step 93: 57316 + 623 = 57939
Step 94: 57939 + 623 = 58562
Step 95: 58562 + 623 = 59185
Step 96: 59185 + 623 = 59808
Step 97: 59808 + 623 = 60431
Step 98: 60431 + 623 = 61054
Step 99: 61054 + 623 = 61677
Step 100: 61677 + 623 = 62300
Step 101: 62300 + 623 = 62923
Step 102: 62923 + 623 = 63546
Step 103: 63546 + 623 = 64169
Step 104: 64169 + 623 = 64792
Step 105: 64792 + 623 = 65415
Step 106: 65415 + 623 = 66038
Step 107: 66038 + 623 = 66661
Step 108: 66661 + 623 = 67284
Step 109: 67284 + 623 = 67907
Step 110: 67907 + 623 = 68530
Step 111: 68530 + 623 = 69153
Step 112: 69153 + 623 = 69776
Step 113: 69776 + 623 = 70399
Step 114: 70399 + 623 = 71022
Step 115: 71022 + 623 = 71645
Step 116: 71645 + 623 = 72268
Step 117: 72268 + 623 = 72891
Step 118: 72891 + 623 = 73514
Step 119: 73514 + 623 = 74137
Step 120: 74137 + 623 = 74760
Step 121: 74760 + 623 = 75383
Step 122: 75383 + 623 = 76006
Step 123: 76006 + 623 = 76629
Step 124: 76629 + 623 = 77252
Step 125: 77252 + 623 = 77875
Step 126: 77875 + 623 = 78498
Step 127: 78498 + 623 = 79121
Step 128: 79121 + 623 = 79744
Step 129: 79744 + 623 = 80367
Step 130: 80367 + 623 = 80990
Step 131: 80990 + 623 = 81613
Step 132: 81613 + 623 = 82236
Step 133: 82236 + 623 = 82859
Step 134: 82859 + 623 = 83482
Step 135: 83482 + 623 = 84105
Step 136: 84105 + 623 = 84728
Step 137: 84728 + 623 = 85351
Step 138: 85351 + 623 = 85974
Step 139: 85974 + 623 = 86597
Step 140: 86597 + 623 = 87220
Step 141: 87220 + 623 = 87843
Step 142: 87843 + 623 = 88466
Step 143: 88466 + 623 = 89089
Step 144: 89089 + 623 = 89712
Step 145: 89712 + 623 = 90335
Step 146: 90335 + 623 = 90958
Step 147: 90958 + 623 = 91581
Step 148: 91581 + 623 = 92204
Step 149: 92204 + 623 = 92827
Step 150: 92827 + 623 = 93450
Step 151: 93450 + 623 = 94073
Step 152: 94073 + 623 = 94696
Step 153: 94696 + 623 = 95319
Step 154: 95319 + 623 = 95942
Step 155: 95942 + 623 = 96565
Step 156: 96565 + 623 = 97188
Step 157: 97188 + 623 = 97811
Step 158: 97811 + 623 = 98434
Step 159: 98434 + 623 = 99057
Step 160: 99057 + 623 = 99680
Step 161: 99680 + 623 = 100303
Step 162: 100303 + 623 = 100926
Step 163: 100926 + 623 = 101549
Step 164: 101549 + 623 = 102172
Step 165: 102172 + 623 = 102795
Step 166: 102795 + 623 = 103418
Step 167: 103418 + 623 = 104041
Step 168: 104041 + 623 = 104664
Step 169: 104664 + 623 = 105287
Step 170: 105287 + 623 = 105910
Step 171: 105910 + 623 = 106533
Step 172: 106533 + 623 = 107156
Step 173: 107156 + 623 = 107779
Step 174: 107779 + 623 = 108402
Step 175: 108402 + 623 = 109025
Step 176: 109025 + 623 = 109648
Step 177: 109648 + 623 = 110271
Step 178: 110271 + 623 = 110894
Step 179: 110894 + 623 = 111517
Step 180: 111517 + 623 = 112140
Step 181: 112140 + 623 = 112763
Step 182: 112763 + 623 = 113386
Step 183: 113386 + 623 = 114009
Step 184: 114009 + 623 = 114632
Step 185: 114632 + 623 = 115255
Step 186: 115255 + 623 = 115878
Step 187: 115878 + 623 = 116501
Step 188: 116501 + 623 = 117124
Step 189: 117124 + 623 = 117747
Step 190: 117747 + 623 = 118370
Step 191: 118370 + 623 = 118993
Step 192: 118993 + 623 = 119616
Step 193: 119616 + 623 = 120239
Step 194: 120239 + 623 = 120862
Step 195: 120862 + 623 = 121485
Step 196: 121485 + 623 = 122108
Step 197: 122108 + 623 = 122731
Step 198: 122731 + 623 = 123354
Step 199: 123354 + 623 = 123977
Step 200: 123977 + 623 = 124600
Step 201: 124600 + 623 = 125223
Step 202: 125223 + 623 = 125846
Step 203: 125846 + 623 = 126469
Step 204: 126469 + 623 = 127092
Step 205: 127092 + 623 = 127715
Step 206: 127715 + 623 = 128338
Step 207: 128338 + 623 = 128961
Step 208: 128961 + 623 = 129584
Step 209: 129584 + 623 = 130207
Step 210: 130207 + 623 = 130830
Step 211: 130830 + 623 = 131453
Step 212: 131453 + 623 = 132076
Step 213: 132076 + 623 = 132699
Step 214: 132699 + 623 = 133322
Step 215: 133322 + 623 = 133945
Step 216: 133945 + 623 = 134568
Step 217: 134568 + 623 = 135191
Step 218: 135191 + 623 = 135814
Step 219: 135814 + 623 = 136437
Step 220: 136437 + 623 = 137060
Step 221: 137060 + 623 = 137683
Step 222: 137683 + 623 = 138306
Step 223: 138306 + 623 = 138929
Step 224: 138929 + 623 = 139552
Step 225: 139552 + 623 = 140175
Step 226: 140175 + 623 = 140798
Step 227: 140798 + 623 = 141421
Step 228: 141421 + 623 = 142044
Step 229: 142044 + 623 = 142667
Step 230: 142667 + 623 = 143290
Step 231: 143290 + 623 = 143913
Step 232: 143913 + 623 = 144536
Step 233: 144536 + 623 = 145159
Step 234: 145159 + 623 = 145782
Step 235: 145782 + 623 = 146405
Step 236: 146405 + 623 = 147028

So, 623*236 = 147028