OK, let's crack this. We're given 693 and our task is to multiply it by 3. Essentially, we'll be adding 693 to itself 3 times.
Step 1: 0 + 693 = 693
Step 2: 693 + 693 = 1386
Step 3: 1386 + 693 = 2079

So, 693*3 = 2079