Without delay, let's solve this. We've got 253 and we will be multiplying it by 65, that is, adding 253 to itself 65 times.
Step 1: 0 + 253 = 253
Step 2: 253 + 253 = 506
Step 3: 506 + 253 = 759
Step 4: 759 + 253 = 1012
Step 5: 1012 + 253 = 1265
Step 6: 1265 + 253 = 1518
Step 7: 1518 + 253 = 1771
Step 8: 1771 + 253 = 2024
Step 9: 2024 + 253 = 2277
Step 10: 2277 + 253 = 2530
Step 11: 2530 + 253 = 2783
Step 12: 2783 + 253 = 3036
Step 13: 3036 + 253 = 3289
Step 14: 3289 + 253 = 3542
Step 15: 3542 + 253 = 3795
Step 16: 3795 + 253 = 4048
Step 17: 4048 + 253 = 4301
Step 18: 4301 + 253 = 4554
Step 19: 4554 + 253 = 4807
Step 20: 4807 + 253 = 5060
Step 21: 5060 + 253 = 5313
Step 22: 5313 + 253 = 5566
Step 23: 5566 + 253 = 5819
Step 24: 5819 + 253 = 6072
Step 25: 6072 + 253 = 6325
Step 26: 6325 + 253 = 6578
Step 27: 6578 + 253 = 6831
Step 28: 6831 + 253 = 7084
Step 29: 7084 + 253 = 7337
Step 30: 7337 + 253 = 7590
Step 31: 7590 + 253 = 7843
Step 32: 7843 + 253 = 8096
Step 33: 8096 + 253 = 8349
Step 34: 8349 + 253 = 8602
Step 35: 8602 + 253 = 8855
Step 36: 8855 + 253 = 9108
Step 37: 9108 + 253 = 9361
Step 38: 9361 + 253 = 9614
Step 39: 9614 + 253 = 9867
Step 40: 9867 + 253 = 10120
Step 41: 10120 + 253 = 10373
Step 42: 10373 + 253 = 10626
Step 43: 10626 + 253 = 10879
Step 44: 10879 + 253 = 11132
Step 45: 11132 + 253 = 11385
Step 46: 11385 + 253 = 11638
Step 47: 11638 + 253 = 11891
Step 48: 11891 + 253 = 12144
Step 49: 12144 + 253 = 12397
Step 50: 12397 + 253 = 12650
Step 51: 12650 + 253 = 12903
Step 52: 12903 + 253 = 13156
Step 53: 13156 + 253 = 13409
Step 54: 13409 + 253 = 13662
Step 55: 13662 + 253 = 13915
Step 56: 13915 + 253 = 14168
Step 57: 14168 + 253 = 14421
Step 58: 14421 + 253 = 14674
Step 59: 14674 + 253 = 14927
Step 60: 14927 + 253 = 15180
Step 61: 15180 + 253 = 15433
Step 62: 15433 + 253 = 15686
Step 63: 15686 + 253 = 15939
Step 64: 15939 + 253 = 16192
Step 65: 16192 + 253 = 16445

So, 253*65 = 16445