Without delay, let's solve this. We've got 819 and we will be multiplying it by 6, that is, adding 819 to itself 6 times.
Step 1: 0 + 819 = 819
Step 2: 819 + 819 = 1638
Step 3: 1638 + 819 = 2457
Step 4: 2457 + 819 = 3276
Step 5: 3276 + 819 = 4095
Step 6: 4095 + 819 = 4914

So, 819*6 = 4914