OK, let's crack this. We're given 746 and our task is to multiply it by 3. Essentially, we'll be adding 746 to itself 3 times.
Step 1: 0 + 746 = 746
Step 2: 746 + 746 = 1492
Step 3: 1492 + 746 = 2238

So, 746*3 = 2238