Sure thing! We've got 225 and we're gonna multiply it by 6. That's the same as adding 225 to itself 6 times.
Step 1: 0 + 225 = 225
Step 2: 225 + 225 = 450
Step 3: 450 + 225 = 675
Step 4: 675 + 225 = 900
Step 5: 900 + 225 = 1125
Step 6: 1125 + 225 = 1350

So, 225*6 = 1350