Sure thing! We've got 856 and we're gonna multiply it by 23. That's the same as adding 856 to itself 23 times.
Step 1: 0 + 856 = 856
Step 2: 856 + 856 = 1712
Step 3: 1712 + 856 = 2568
Step 4: 2568 + 856 = 3424
Step 5: 3424 + 856 = 4280
Step 6: 4280 + 856 = 5136
Step 7: 5136 + 856 = 5992
Step 8: 5992 + 856 = 6848
Step 9: 6848 + 856 = 7704
Step 10: 7704 + 856 = 8560
Step 11: 8560 + 856 = 9416
Step 12: 9416 + 856 = 10272
Step 13: 10272 + 856 = 11128
Step 14: 11128 + 856 = 11984
Step 15: 11984 + 856 = 12840
Step 16: 12840 + 856 = 13696
Step 17: 13696 + 856 = 14552
Step 18: 14552 + 856 = 15408
Step 19: 15408 + 856 = 16264
Step 20: 16264 + 856 = 17120
Step 21: 17120 + 856 = 17976
Step 22: 17976 + 856 = 18832
Step 23: 18832 + 856 = 19688

So, 856*23 = 19688