Sure thing, let's get straight to it. We start with 685 and we're going to multiply it by 68, which means adding 685 to itself 68 times.
Step 1: 0 + 685 = 685
Step 2: 685 + 685 = 1370
Step 3: 1370 + 685 = 2055
Step 4: 2055 + 685 = 2740
Step 5: 2740 + 685 = 3425
Step 6: 3425 + 685 = 4110
Step 7: 4110 + 685 = 4795
Step 8: 4795 + 685 = 5480
Step 9: 5480 + 685 = 6165
Step 10: 6165 + 685 = 6850
Step 11: 6850 + 685 = 7535
Step 12: 7535 + 685 = 8220
Step 13: 8220 + 685 = 8905
Step 14: 8905 + 685 = 9590
Step 15: 9590 + 685 = 10275
Step 16: 10275 + 685 = 10960
Step 17: 10960 + 685 = 11645
Step 18: 11645 + 685 = 12330
Step 19: 12330 + 685 = 13015
Step 20: 13015 + 685 = 13700
Step 21: 13700 + 685 = 14385
Step 22: 14385 + 685 = 15070
Step 23: 15070 + 685 = 15755
Step 24: 15755 + 685 = 16440
Step 25: 16440 + 685 = 17125
Step 26: 17125 + 685 = 17810
Step 27: 17810 + 685 = 18495
Step 28: 18495 + 685 = 19180
Step 29: 19180 + 685 = 19865
Step 30: 19865 + 685 = 20550
Step 31: 20550 + 685 = 21235
Step 32: 21235 + 685 = 21920
Step 33: 21920 + 685 = 22605
Step 34: 22605 + 685 = 23290
Step 35: 23290 + 685 = 23975
Step 36: 23975 + 685 = 24660
Step 37: 24660 + 685 = 25345
Step 38: 25345 + 685 = 26030
Step 39: 26030 + 685 = 26715
Step 40: 26715 + 685 = 27400
Step 41: 27400 + 685 = 28085
Step 42: 28085 + 685 = 28770
Step 43: 28770 + 685 = 29455
Step 44: 29455 + 685 = 30140
Step 45: 30140 + 685 = 30825
Step 46: 30825 + 685 = 31510
Step 47: 31510 + 685 = 32195
Step 48: 32195 + 685 = 32880
Step 49: 32880 + 685 = 33565
Step 50: 33565 + 685 = 34250
Step 51: 34250 + 685 = 34935
Step 52: 34935 + 685 = 35620
Step 53: 35620 + 685 = 36305
Step 54: 36305 + 685 = 36990
Step 55: 36990 + 685 = 37675
Step 56: 37675 + 685 = 38360
Step 57: 38360 + 685 = 39045
Step 58: 39045 + 685 = 39730
Step 59: 39730 + 685 = 40415
Step 60: 40415 + 685 = 41100
Step 61: 41100 + 685 = 41785
Step 62: 41785 + 685 = 42470
Step 63: 42470 + 685 = 43155
Step 64: 43155 + 685 = 43840
Step 65: 43840 + 685 = 44525
Step 66: 44525 + 685 = 45210
Step 67: 45210 + 685 = 45895
Step 68: 45895 + 685 = 46580

So, 685*68 = 46580