OK, let's crack this. We're given 610 and our task is to multiply it by 3. Essentially, we'll be adding 610 to itself 3 times.
Step 1: 0 + 610 = 610
Step 2: 610 + 610 = 1220
Step 3: 1220 + 610 = 1830

So, 610*3 = 1830