OK, let's work through this together. We're starting with 957 and we're going to multiply it by 5, which means we add 957 to itself 5 times.
Step 1: 0 + 957 = 957
Step 2: 957 + 957 = 1914
Step 3: 1914 + 957 = 2871
Step 4: 2871 + 957 = 3828
Step 5: 3828 + 957 = 4785

So, 957*5 = 4785