Sure thing! We've got 63 and we're gonna multiply it by 4. That's the same as adding 63 to itself 4 times.
Step 1: 0 + 63 = 63
Step 2: 63 + 63 = 126
Step 3: 126 + 63 = 189
Step 4: 189 + 63 = 252

So, 63*4 = 252