Sure thing, let's get straight to it. We start with 337 and we're going to multiply it by 4, which means adding 337 to itself 4 times.
Step 1: 0 + 337 = 337
Step 2: 337 + 337 = 674
Step 3: 674 + 337 = 1011
Step 4: 1011 + 337 = 1348

So, 337*4 = 1348