OK, let's work through this together. We're starting with 770 and we're going to multiply it by 14, which means we add 770 to itself 14 times.
Step 1: 0 + 770 = 770
Step 2: 770 + 770 = 1540
Step 3: 1540 + 770 = 2310
Step 4: 2310 + 770 = 3080
Step 5: 3080 + 770 = 3850
Step 6: 3850 + 770 = 4620
Step 7: 4620 + 770 = 5390
Step 8: 5390 + 770 = 6160
Step 9: 6160 + 770 = 6930
Step 10: 6930 + 770 = 7700
Step 11: 7700 + 770 = 8470
Step 12: 8470 + 770 = 9240
Step 13: 9240 + 770 = 10010
Step 14: 10010 + 770 = 10780

So, 770*14 = 10780