Alright, let's solve this math problem step by step. First, we have the number 799. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 145. So, we're going to take the number 799 and add it to itself 145 times.
Step 1: 0 + 799 = 799
Step 2: 799 + 799 = 1598
Step 3: 1598 + 799 = 2397
Step 4: 2397 + 799 = 3196
Step 5: 3196 + 799 = 3995
Step 6: 3995 + 799 = 4794
Step 7: 4794 + 799 = 5593
Step 8: 5593 + 799 = 6392
Step 9: 6392 + 799 = 7191
Step 10: 7191 + 799 = 7990
Step 11: 7990 + 799 = 8789
Step 12: 8789 + 799 = 9588
Step 13: 9588 + 799 = 10387
Step 14: 10387 + 799 = 11186
Step 15: 11186 + 799 = 11985
Step 16: 11985 + 799 = 12784
Step 17: 12784 + 799 = 13583
Step 18: 13583 + 799 = 14382
Step 19: 14382 + 799 = 15181
Step 20: 15181 + 799 = 15980
Step 21: 15980 + 799 = 16779
Step 22: 16779 + 799 = 17578
Step 23: 17578 + 799 = 18377
Step 24: 18377 + 799 = 19176
Step 25: 19176 + 799 = 19975
Step 26: 19975 + 799 = 20774
Step 27: 20774 + 799 = 21573
Step 28: 21573 + 799 = 22372
Step 29: 22372 + 799 = 23171
Step 30: 23171 + 799 = 23970
Step 31: 23970 + 799 = 24769
Step 32: 24769 + 799 = 25568
Step 33: 25568 + 799 = 26367
Step 34: 26367 + 799 = 27166
Step 35: 27166 + 799 = 27965
Step 36: 27965 + 799 = 28764
Step 37: 28764 + 799 = 29563
Step 38: 29563 + 799 = 30362
Step 39: 30362 + 799 = 31161
Step 40: 31161 + 799 = 31960
Step 41: 31960 + 799 = 32759
Step 42: 32759 + 799 = 33558
Step 43: 33558 + 799 = 34357
Step 44: 34357 + 799 = 35156
Step 45: 35156 + 799 = 35955
Step 46: 35955 + 799 = 36754
Step 47: 36754 + 799 = 37553
Step 48: 37553 + 799 = 38352
Step 49: 38352 + 799 = 39151
Step 50: 39151 + 799 = 39950
Step 51: 39950 + 799 = 40749
Step 52: 40749 + 799 = 41548
Step 53: 41548 + 799 = 42347
Step 54: 42347 + 799 = 43146
Step 55: 43146 + 799 = 43945
Step 56: 43945 + 799 = 44744
Step 57: 44744 + 799 = 45543
Step 58: 45543 + 799 = 46342
Step 59: 46342 + 799 = 47141
Step 60: 47141 + 799 = 47940
Step 61: 47940 + 799 = 48739
Step 62: 48739 + 799 = 49538
Step 63: 49538 + 799 = 50337
Step 64: 50337 + 799 = 51136
Step 65: 51136 + 799 = 51935
Step 66: 51935 + 799 = 52734
Step 67: 52734 + 799 = 53533
Step 68: 53533 + 799 = 54332
Step 69: 54332 + 799 = 55131
Step 70: 55131 + 799 = 55930
Step 71: 55930 + 799 = 56729
Step 72: 56729 + 799 = 57528
Step 73: 57528 + 799 = 58327
Step 74: 58327 + 799 = 59126
Step 75: 59126 + 799 = 59925
Step 76: 59925 + 799 = 60724
Step 77: 60724 + 799 = 61523
Step 78: 61523 + 799 = 62322
Step 79: 62322 + 799 = 63121
Step 80: 63121 + 799 = 63920
Step 81: 63920 + 799 = 64719
Step 82: 64719 + 799 = 65518
Step 83: 65518 + 799 = 66317
Step 84: 66317 + 799 = 67116
Step 85: 67116 + 799 = 67915
Step 86: 67915 + 799 = 68714
Step 87: 68714 + 799 = 69513
Step 88: 69513 + 799 = 70312
Step 89: 70312 + 799 = 71111
Step 90: 71111 + 799 = 71910
Step 91: 71910 + 799 = 72709
Step 92: 72709 + 799 = 73508
Step 93: 73508 + 799 = 74307
Step 94: 74307 + 799 = 75106
Step 95: 75106 + 799 = 75905
Step 96: 75905 + 799 = 76704
Step 97: 76704 + 799 = 77503
Step 98: 77503 + 799 = 78302
Step 99: 78302 + 799 = 79101
Step 100: 79101 + 799 = 79900
Step 101: 79900 + 799 = 80699
Step 102: 80699 + 799 = 81498
Step 103: 81498 + 799 = 82297
Step 104: 82297 + 799 = 83096
Step 105: 83096 + 799 = 83895
Step 106: 83895 + 799 = 84694
Step 107: 84694 + 799 = 85493
Step 108: 85493 + 799 = 86292
Step 109: 86292 + 799 = 87091
Step 110: 87091 + 799 = 87890
Step 111: 87890 + 799 = 88689
Step 112: 88689 + 799 = 89488
Step 113: 89488 + 799 = 90287
Step 114: 90287 + 799 = 91086
Step 115: 91086 + 799 = 91885
Step 116: 91885 + 799 = 92684
Step 117: 92684 + 799 = 93483
Step 118: 93483 + 799 = 94282
Step 119: 94282 + 799 = 95081
Step 120: 95081 + 799 = 95880
Step 121: 95880 + 799 = 96679
Step 122: 96679 + 799 = 97478
Step 123: 97478 + 799 = 98277
Step 124: 98277 + 799 = 99076
Step 125: 99076 + 799 = 99875
Step 126: 99875 + 799 = 100674
Step 127: 100674 + 799 = 101473
Step 128: 101473 + 799 = 102272
Step 129: 102272 + 799 = 103071
Step 130: 103071 + 799 = 103870
Step 131: 103870 + 799 = 104669
Step 132: 104669 + 799 = 105468
Step 133: 105468 + 799 = 106267
Step 134: 106267 + 799 = 107066
Step 135: 107066 + 799 = 107865
Step 136: 107865 + 799 = 108664
Step 137: 108664 + 799 = 109463
Step 138: 109463 + 799 = 110262
Step 139: 110262 + 799 = 111061
Step 140: 111061 + 799 = 111860
Step 141: 111860 + 799 = 112659
Step 142: 112659 + 799 = 113458
Step 143: 113458 + 799 = 114257
Step 144: 114257 + 799 = 115056
Step 145: 115056 + 799 = 115855

So, 799*145 = 115855