Without delay, let's solve this. We've got 782 and we will be multiplying it by 3, that is, adding 782 to itself 3 times.
Step 1: 0 + 782 = 782
Step 2: 782 + 782 = 1564
Step 3: 1564 + 782 = 2346

So, 782*3 = 2346