Let's get this math done. We have 661 and we're going to multiply it by 3. This is the same as taking 661 and adding it to itself 3 times.
Step 1: 0 + 661 = 661
Step 2: 661 + 661 = 1322
Step 3: 1322 + 661 = 1983

So, 661*3 = 1983