Sure thing! We've got 397 and we're gonna multiply it by 4. That's the same as adding 397 to itself 4 times.
Step 1: 0 + 397 = 397
Step 2: 397 + 397 = 794
Step 3: 794 + 397 = 1191
Step 4: 1191 + 397 = 1588

So, 397*4 = 1588