OK, let's work through this together. We're starting with 671 and we're going to multiply it by 22, which means we add 671 to itself 22 times.
Step 1: 0 + 671 = 671
Step 2: 671 + 671 = 1342
Step 3: 1342 + 671 = 2013
Step 4: 2013 + 671 = 2684
Step 5: 2684 + 671 = 3355
Step 6: 3355 + 671 = 4026
Step 7: 4026 + 671 = 4697
Step 8: 4697 + 671 = 5368
Step 9: 5368 + 671 = 6039
Step 10: 6039 + 671 = 6710
Step 11: 6710 + 671 = 7381
Step 12: 7381 + 671 = 8052
Step 13: 8052 + 671 = 8723
Step 14: 8723 + 671 = 9394
Step 15: 9394 + 671 = 10065
Step 16: 10065 + 671 = 10736
Step 17: 10736 + 671 = 11407
Step 18: 11407 + 671 = 12078
Step 19: 12078 + 671 = 12749
Step 20: 12749 + 671 = 13420
Step 21: 13420 + 671 = 14091
Step 22: 14091 + 671 = 14762

So, 671*22 = 14762