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 78. So, we're going to take the number 453 and add it to itself 78 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

So, 453*78 = 35334