Sure thing! We've got 961 and we're gonna multiply it by 4. That's the same as adding 961 to itself 4 times.
Step 1: 0 + 961 = 961
Step 2: 961 + 961 = 1922
Step 3: 1922 + 961 = 2883
Step 4: 2883 + 961 = 3844

So, 961*4 = 3844