Sure thing! We've got 120 and we're gonna multiply it by 5. That's the same as adding 120 to itself 5 times.
Step 1: 0 + 120 = 120
Step 2: 120 + 120 = 240
Step 3: 240 + 120 = 360
Step 4: 360 + 120 = 480
Step 5: 480 + 120 = 600

So, 120*5 = 600