Let's get this math done. We have 346 and we're going to multiply it by 3. This is the same as taking 346 and adding it to itself 3 times.
Step 1: 0 + 346 = 346
Step 2: 346 + 346 = 692
Step 3: 692 + 346 = 1038

So, 346*3 = 1038