Alright, let's solve this math problem step by step. First, we have the number 453. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 155. So, we're going to take the number 453 and add it to itself 155 times.
Step 1: 0 + 453 = 453
Step 2: 453 + 453 = 906
Step 3: 906 + 453 = 1359
Step 4: 1359 + 453 = 1812
Step 5: 1812 + 453 = 2265
Step 6: 2265 + 453 = 2718
Step 7: 2718 + 453 = 3171
Step 8: 3171 + 453 = 3624
Step 9: 3624 + 453 = 4077
Step 10: 4077 + 453 = 4530
Step 11: 4530 + 453 = 4983
Step 12: 4983 + 453 = 5436
Step 13: 5436 + 453 = 5889
Step 14: 5889 + 453 = 6342
Step 15: 6342 + 453 = 6795
Step 16: 6795 + 453 = 7248
Step 17: 7248 + 453 = 7701
Step 18: 7701 + 453 = 8154
Step 19: 8154 + 453 = 8607
Step 20: 8607 + 453 = 9060
Step 21: 9060 + 453 = 9513
Step 22: 9513 + 453 = 9966
Step 23: 9966 + 453 = 10419
Step 24: 10419 + 453 = 10872
Step 25: 10872 + 453 = 11325
Step 26: 11325 + 453 = 11778
Step 27: 11778 + 453 = 12231
Step 28: 12231 + 453 = 12684
Step 29: 12684 + 453 = 13137
Step 30: 13137 + 453 = 13590
Step 31: 13590 + 453 = 14043
Step 32: 14043 + 453 = 14496
Step 33: 14496 + 453 = 14949
Step 34: 14949 + 453 = 15402
Step 35: 15402 + 453 = 15855
Step 36: 15855 + 453 = 16308
Step 37: 16308 + 453 = 16761
Step 38: 16761 + 453 = 17214
Step 39: 17214 + 453 = 17667
Step 40: 17667 + 453 = 18120
Step 41: 18120 + 453 = 18573
Step 42: 18573 + 453 = 19026
Step 43: 19026 + 453 = 19479
Step 44: 19479 + 453 = 19932
Step 45: 19932 + 453 = 20385
Step 46: 20385 + 453 = 20838
Step 47: 20838 + 453 = 21291
Step 48: 21291 + 453 = 21744
Step 49: 21744 + 453 = 22197
Step 50: 22197 + 453 = 22650
Step 51: 22650 + 453 = 23103
Step 52: 23103 + 453 = 23556
Step 53: 23556 + 453 = 24009
Step 54: 24009 + 453 = 24462
Step 55: 24462 + 453 = 24915
Step 56: 24915 + 453 = 25368
Step 57: 25368 + 453 = 25821
Step 58: 25821 + 453 = 26274
Step 59: 26274 + 453 = 26727
Step 60: 26727 + 453 = 27180
Step 61: 27180 + 453 = 27633
Step 62: 27633 + 453 = 28086
Step 63: 28086 + 453 = 28539
Step 64: 28539 + 453 = 28992
Step 65: 28992 + 453 = 29445
Step 66: 29445 + 453 = 29898
Step 67: 29898 + 453 = 30351
Step 68: 30351 + 453 = 30804
Step 69: 30804 + 453 = 31257
Step 70: 31257 + 453 = 31710
Step 71: 31710 + 453 = 32163
Step 72: 32163 + 453 = 32616
Step 73: 32616 + 453 = 33069
Step 74: 33069 + 453 = 33522
Step 75: 33522 + 453 = 33975
Step 76: 33975 + 453 = 34428
Step 77: 34428 + 453 = 34881
Step 78: 34881 + 453 = 35334
Step 79: 35334 + 453 = 35787
Step 80: 35787 + 453 = 36240
Step 81: 36240 + 453 = 36693
Step 82: 36693 + 453 = 37146
Step 83: 37146 + 453 = 37599
Step 84: 37599 + 453 = 38052
Step 85: 38052 + 453 = 38505
Step 86: 38505 + 453 = 38958
Step 87: 38958 + 453 = 39411
Step 88: 39411 + 453 = 39864
Step 89: 39864 + 453 = 40317
Step 90: 40317 + 453 = 40770
Step 91: 40770 + 453 = 41223
Step 92: 41223 + 453 = 41676
Step 93: 41676 + 453 = 42129
Step 94: 42129 + 453 = 42582
Step 95: 42582 + 453 = 43035
Step 96: 43035 + 453 = 43488
Step 97: 43488 + 453 = 43941
Step 98: 43941 + 453 = 44394
Step 99: 44394 + 453 = 44847
Step 100: 44847 + 453 = 45300
Step 101: 45300 + 453 = 45753
Step 102: 45753 + 453 = 46206
Step 103: 46206 + 453 = 46659
Step 104: 46659 + 453 = 47112
Step 105: 47112 + 453 = 47565
Step 106: 47565 + 453 = 48018
Step 107: 48018 + 453 = 48471
Step 108: 48471 + 453 = 48924
Step 109: 48924 + 453 = 49377
Step 110: 49377 + 453 = 49830
Step 111: 49830 + 453 = 50283
Step 112: 50283 + 453 = 50736
Step 113: 50736 + 453 = 51189
Step 114: 51189 + 453 = 51642
Step 115: 51642 + 453 = 52095
Step 116: 52095 + 453 = 52548
Step 117: 52548 + 453 = 53001
Step 118: 53001 + 453 = 53454
Step 119: 53454 + 453 = 53907
Step 120: 53907 + 453 = 54360
Step 121: 54360 + 453 = 54813
Step 122: 54813 + 453 = 55266
Step 123: 55266 + 453 = 55719
Step 124: 55719 + 453 = 56172
Step 125: 56172 + 453 = 56625
Step 126: 56625 + 453 = 57078
Step 127: 57078 + 453 = 57531
Step 128: 57531 + 453 = 57984
Step 129: 57984 + 453 = 58437
Step 130: 58437 + 453 = 58890
Step 131: 58890 + 453 = 59343
Step 132: 59343 + 453 = 59796
Step 133: 59796 + 453 = 60249
Step 134: 60249 + 453 = 60702
Step 135: 60702 + 453 = 61155
Step 136: 61155 + 453 = 61608
Step 137: 61608 + 453 = 62061
Step 138: 62061 + 453 = 62514
Step 139: 62514 + 453 = 62967
Step 140: 62967 + 453 = 63420
Step 141: 63420 + 453 = 63873
Step 142: 63873 + 453 = 64326
Step 143: 64326 + 453 = 64779
Step 144: 64779 + 453 = 65232
Step 145: 65232 + 453 = 65685
Step 146: 65685 + 453 = 66138
Step 147: 66138 + 453 = 66591
Step 148: 66591 + 453 = 67044
Step 149: 67044 + 453 = 67497
Step 150: 67497 + 453 = 67950
Step 151: 67950 + 453 = 68403
Step 152: 68403 + 453 = 68856
Step 153: 68856 + 453 = 69309
Step 154: 69309 + 453 = 69762
Step 155: 69762 + 453 = 70215

So, 453*155 = 70215