Let's roll up our sleeves and solve this. We have 452 and we're going to multiply it by 61, essentially adding 452 to itself 61 times.
Step 1: 0 + 452 = 452
Step 2: 452 + 452 = 904
Step 3: 904 + 452 = 1356
Step 4: 1356 + 452 = 1808
Step 5: 1808 + 452 = 2260
Step 6: 2260 + 452 = 2712
Step 7: 2712 + 452 = 3164
Step 8: 3164 + 452 = 3616
Step 9: 3616 + 452 = 4068
Step 10: 4068 + 452 = 4520
Step 11: 4520 + 452 = 4972
Step 12: 4972 + 452 = 5424
Step 13: 5424 + 452 = 5876
Step 14: 5876 + 452 = 6328
Step 15: 6328 + 452 = 6780
Step 16: 6780 + 452 = 7232
Step 17: 7232 + 452 = 7684
Step 18: 7684 + 452 = 8136
Step 19: 8136 + 452 = 8588
Step 20: 8588 + 452 = 9040
Step 21: 9040 + 452 = 9492
Step 22: 9492 + 452 = 9944
Step 23: 9944 + 452 = 10396
Step 24: 10396 + 452 = 10848
Step 25: 10848 + 452 = 11300
Step 26: 11300 + 452 = 11752
Step 27: 11752 + 452 = 12204
Step 28: 12204 + 452 = 12656
Step 29: 12656 + 452 = 13108
Step 30: 13108 + 452 = 13560
Step 31: 13560 + 452 = 14012
Step 32: 14012 + 452 = 14464
Step 33: 14464 + 452 = 14916
Step 34: 14916 + 452 = 15368
Step 35: 15368 + 452 = 15820
Step 36: 15820 + 452 = 16272
Step 37: 16272 + 452 = 16724
Step 38: 16724 + 452 = 17176
Step 39: 17176 + 452 = 17628
Step 40: 17628 + 452 = 18080
Step 41: 18080 + 452 = 18532
Step 42: 18532 + 452 = 18984
Step 43: 18984 + 452 = 19436
Step 44: 19436 + 452 = 19888
Step 45: 19888 + 452 = 20340
Step 46: 20340 + 452 = 20792
Step 47: 20792 + 452 = 21244
Step 48: 21244 + 452 = 21696
Step 49: 21696 + 452 = 22148
Step 50: 22148 + 452 = 22600
Step 51: 22600 + 452 = 23052
Step 52: 23052 + 452 = 23504
Step 53: 23504 + 452 = 23956
Step 54: 23956 + 452 = 24408
Step 55: 24408 + 452 = 24860
Step 56: 24860 + 452 = 25312
Step 57: 25312 + 452 = 25764
Step 58: 25764 + 452 = 26216
Step 59: 26216 + 452 = 26668
Step 60: 26668 + 452 = 27120
Step 61: 27120 + 452 = 27572

So, 452*61 = 27572