OK, let's crack this. We're given 199 and our task is to multiply it by 4. Essentially, we'll be adding 199 to itself 4 times.
Step 1: 0 + 199 = 199
Step 2: 199 + 199 = 398
Step 3: 398 + 199 = 597
Step 4: 597 + 199 = 796

So, 199*4 = 796