Without delay, let's solve this. We've got 825 and we will be multiplying it by 6, that is, adding 825 to itself 6 times.
Step 1: 0 + 825 = 825
Step 2: 825 + 825 = 1650
Step 3: 1650 + 825 = 2475
Step 4: 2475 + 825 = 3300
Step 5: 3300 + 825 = 4125
Step 6: 4125 + 825 = 4950

So, 825*6 = 4950