Alright, let's solve this math problem step by step. First, we have the number 804. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 178. So, we're going to take the number 804 and add it to itself 178 times.
Step 1: 0 + 804 = 804
Step 2: 804 + 804 = 1608
Step 3: 1608 + 804 = 2412
Step 4: 2412 + 804 = 3216
Step 5: 3216 + 804 = 4020
Step 6: 4020 + 804 = 4824
Step 7: 4824 + 804 = 5628
Step 8: 5628 + 804 = 6432
Step 9: 6432 + 804 = 7236
Step 10: 7236 + 804 = 8040
Step 11: 8040 + 804 = 8844
Step 12: 8844 + 804 = 9648
Step 13: 9648 + 804 = 10452
Step 14: 10452 + 804 = 11256
Step 15: 11256 + 804 = 12060
Step 16: 12060 + 804 = 12864
Step 17: 12864 + 804 = 13668
Step 18: 13668 + 804 = 14472
Step 19: 14472 + 804 = 15276
Step 20: 15276 + 804 = 16080
Step 21: 16080 + 804 = 16884
Step 22: 16884 + 804 = 17688
Step 23: 17688 + 804 = 18492
Step 24: 18492 + 804 = 19296
Step 25: 19296 + 804 = 20100
Step 26: 20100 + 804 = 20904
Step 27: 20904 + 804 = 21708
Step 28: 21708 + 804 = 22512
Step 29: 22512 + 804 = 23316
Step 30: 23316 + 804 = 24120
Step 31: 24120 + 804 = 24924
Step 32: 24924 + 804 = 25728
Step 33: 25728 + 804 = 26532
Step 34: 26532 + 804 = 27336
Step 35: 27336 + 804 = 28140
Step 36: 28140 + 804 = 28944
Step 37: 28944 + 804 = 29748
Step 38: 29748 + 804 = 30552
Step 39: 30552 + 804 = 31356
Step 40: 31356 + 804 = 32160
Step 41: 32160 + 804 = 32964
Step 42: 32964 + 804 = 33768
Step 43: 33768 + 804 = 34572
Step 44: 34572 + 804 = 35376
Step 45: 35376 + 804 = 36180
Step 46: 36180 + 804 = 36984
Step 47: 36984 + 804 = 37788
Step 48: 37788 + 804 = 38592
Step 49: 38592 + 804 = 39396
Step 50: 39396 + 804 = 40200
Step 51: 40200 + 804 = 41004
Step 52: 41004 + 804 = 41808
Step 53: 41808 + 804 = 42612
Step 54: 42612 + 804 = 43416
Step 55: 43416 + 804 = 44220
Step 56: 44220 + 804 = 45024
Step 57: 45024 + 804 = 45828
Step 58: 45828 + 804 = 46632
Step 59: 46632 + 804 = 47436
Step 60: 47436 + 804 = 48240
Step 61: 48240 + 804 = 49044
Step 62: 49044 + 804 = 49848
Step 63: 49848 + 804 = 50652
Step 64: 50652 + 804 = 51456
Step 65: 51456 + 804 = 52260
Step 66: 52260 + 804 = 53064
Step 67: 53064 + 804 = 53868
Step 68: 53868 + 804 = 54672
Step 69: 54672 + 804 = 55476
Step 70: 55476 + 804 = 56280
Step 71: 56280 + 804 = 57084
Step 72: 57084 + 804 = 57888
Step 73: 57888 + 804 = 58692
Step 74: 58692 + 804 = 59496
Step 75: 59496 + 804 = 60300
Step 76: 60300 + 804 = 61104
Step 77: 61104 + 804 = 61908
Step 78: 61908 + 804 = 62712
Step 79: 62712 + 804 = 63516
Step 80: 63516 + 804 = 64320
Step 81: 64320 + 804 = 65124
Step 82: 65124 + 804 = 65928
Step 83: 65928 + 804 = 66732
Step 84: 66732 + 804 = 67536
Step 85: 67536 + 804 = 68340
Step 86: 68340 + 804 = 69144
Step 87: 69144 + 804 = 69948
Step 88: 69948 + 804 = 70752
Step 89: 70752 + 804 = 71556
Step 90: 71556 + 804 = 72360
Step 91: 72360 + 804 = 73164
Step 92: 73164 + 804 = 73968
Step 93: 73968 + 804 = 74772
Step 94: 74772 + 804 = 75576
Step 95: 75576 + 804 = 76380
Step 96: 76380 + 804 = 77184
Step 97: 77184 + 804 = 77988
Step 98: 77988 + 804 = 78792
Step 99: 78792 + 804 = 79596
Step 100: 79596 + 804 = 80400
Step 101: 80400 + 804 = 81204
Step 102: 81204 + 804 = 82008
Step 103: 82008 + 804 = 82812
Step 104: 82812 + 804 = 83616
Step 105: 83616 + 804 = 84420
Step 106: 84420 + 804 = 85224
Step 107: 85224 + 804 = 86028
Step 108: 86028 + 804 = 86832
Step 109: 86832 + 804 = 87636
Step 110: 87636 + 804 = 88440
Step 111: 88440 + 804 = 89244
Step 112: 89244 + 804 = 90048
Step 113: 90048 + 804 = 90852
Step 114: 90852 + 804 = 91656
Step 115: 91656 + 804 = 92460
Step 116: 92460 + 804 = 93264
Step 117: 93264 + 804 = 94068
Step 118: 94068 + 804 = 94872
Step 119: 94872 + 804 = 95676
Step 120: 95676 + 804 = 96480
Step 121: 96480 + 804 = 97284
Step 122: 97284 + 804 = 98088
Step 123: 98088 + 804 = 98892
Step 124: 98892 + 804 = 99696
Step 125: 99696 + 804 = 100500
Step 126: 100500 + 804 = 101304
Step 127: 101304 + 804 = 102108
Step 128: 102108 + 804 = 102912
Step 129: 102912 + 804 = 103716
Step 130: 103716 + 804 = 104520
Step 131: 104520 + 804 = 105324
Step 132: 105324 + 804 = 106128
Step 133: 106128 + 804 = 106932
Step 134: 106932 + 804 = 107736
Step 135: 107736 + 804 = 108540
Step 136: 108540 + 804 = 109344
Step 137: 109344 + 804 = 110148
Step 138: 110148 + 804 = 110952
Step 139: 110952 + 804 = 111756
Step 140: 111756 + 804 = 112560
Step 141: 112560 + 804 = 113364
Step 142: 113364 + 804 = 114168
Step 143: 114168 + 804 = 114972
Step 144: 114972 + 804 = 115776
Step 145: 115776 + 804 = 116580
Step 146: 116580 + 804 = 117384
Step 147: 117384 + 804 = 118188
Step 148: 118188 + 804 = 118992
Step 149: 118992 + 804 = 119796
Step 150: 119796 + 804 = 120600
Step 151: 120600 + 804 = 121404
Step 152: 121404 + 804 = 122208
Step 153: 122208 + 804 = 123012
Step 154: 123012 + 804 = 123816
Step 155: 123816 + 804 = 124620
Step 156: 124620 + 804 = 125424
Step 157: 125424 + 804 = 126228
Step 158: 126228 + 804 = 127032
Step 159: 127032 + 804 = 127836
Step 160: 127836 + 804 = 128640
Step 161: 128640 + 804 = 129444
Step 162: 129444 + 804 = 130248
Step 163: 130248 + 804 = 131052
Step 164: 131052 + 804 = 131856
Step 165: 131856 + 804 = 132660
Step 166: 132660 + 804 = 133464
Step 167: 133464 + 804 = 134268
Step 168: 134268 + 804 = 135072
Step 169: 135072 + 804 = 135876
Step 170: 135876 + 804 = 136680
Step 171: 136680 + 804 = 137484
Step 172: 137484 + 804 = 138288
Step 173: 138288 + 804 = 139092
Step 174: 139092 + 804 = 139896
Step 175: 139896 + 804 = 140700
Step 176: 140700 + 804 = 141504
Step 177: 141504 + 804 = 142308
Step 178: 142308 + 804 = 143112

So, 804*178 = 143112