Let's get this math done. We have 445 and we're going to multiply it by 3. This is the same as taking 445 and adding it to itself 3 times.
Step 1: 0 + 445 = 445
Step 2: 445 + 445 = 890
Step 3: 890 + 445 = 1335

So, 445*3 = 1335