OK, let's crack this. We're given 949 and our task is to multiply it by 3. Essentially, we'll be adding 949 to itself 3 times.
Step 1: 0 + 949 = 949
Step 2: 949 + 949 = 1898
Step 3: 1898 + 949 = 2847

So, 949*3 = 2847