Let's roll up our sleeves and solve this. We have 995 and we're going to multiply it by 4, essentially adding 995 to itself 4 times.
Step 1: 0 + 995 = 995
Step 2: 995 + 995 = 1990
Step 3: 1990 + 995 = 2985
Step 4: 2985 + 995 = 3980

So, 995*4 = 3980