OK, let's work through this together. We're starting with 314 and we're going to multiply it by 68, which means we add 314 to itself 68 times.
Step 1: 0 + 314 = 314
Step 2: 314 + 314 = 628
Step 3: 628 + 314 = 942
Step 4: 942 + 314 = 1256
Step 5: 1256 + 314 = 1570
Step 6: 1570 + 314 = 1884
Step 7: 1884 + 314 = 2198
Step 8: 2198 + 314 = 2512
Step 9: 2512 + 314 = 2826
Step 10: 2826 + 314 = 3140
Step 11: 3140 + 314 = 3454
Step 12: 3454 + 314 = 3768
Step 13: 3768 + 314 = 4082
Step 14: 4082 + 314 = 4396
Step 15: 4396 + 314 = 4710
Step 16: 4710 + 314 = 5024
Step 17: 5024 + 314 = 5338
Step 18: 5338 + 314 = 5652
Step 19: 5652 + 314 = 5966
Step 20: 5966 + 314 = 6280
Step 21: 6280 + 314 = 6594
Step 22: 6594 + 314 = 6908
Step 23: 6908 + 314 = 7222
Step 24: 7222 + 314 = 7536
Step 25: 7536 + 314 = 7850
Step 26: 7850 + 314 = 8164
Step 27: 8164 + 314 = 8478
Step 28: 8478 + 314 = 8792
Step 29: 8792 + 314 = 9106
Step 30: 9106 + 314 = 9420
Step 31: 9420 + 314 = 9734
Step 32: 9734 + 314 = 10048
Step 33: 10048 + 314 = 10362
Step 34: 10362 + 314 = 10676
Step 35: 10676 + 314 = 10990
Step 36: 10990 + 314 = 11304
Step 37: 11304 + 314 = 11618
Step 38: 11618 + 314 = 11932
Step 39: 11932 + 314 = 12246
Step 40: 12246 + 314 = 12560
Step 41: 12560 + 314 = 12874
Step 42: 12874 + 314 = 13188
Step 43: 13188 + 314 = 13502
Step 44: 13502 + 314 = 13816
Step 45: 13816 + 314 = 14130
Step 46: 14130 + 314 = 14444
Step 47: 14444 + 314 = 14758
Step 48: 14758 + 314 = 15072
Step 49: 15072 + 314 = 15386
Step 50: 15386 + 314 = 15700
Step 51: 15700 + 314 = 16014
Step 52: 16014 + 314 = 16328
Step 53: 16328 + 314 = 16642
Step 54: 16642 + 314 = 16956
Step 55: 16956 + 314 = 17270
Step 56: 17270 + 314 = 17584
Step 57: 17584 + 314 = 17898
Step 58: 17898 + 314 = 18212
Step 59: 18212 + 314 = 18526
Step 60: 18526 + 314 = 18840
Step 61: 18840 + 314 = 19154
Step 62: 19154 + 314 = 19468
Step 63: 19468 + 314 = 19782
Step 64: 19782 + 314 = 20096
Step 65: 20096 + 314 = 20410
Step 66: 20410 + 314 = 20724
Step 67: 20724 + 314 = 21038
Step 68: 21038 + 314 = 21352

So, 314*68 = 21352