Alright, let's work through 8009 times 4989 step by step
8009 × 4989 = 4989 × (8009)
+ 4989 × 9 producing 44901
+ 4989 × 00 what gives us 0
+ 4989 × 000 what gives us 0
+ 4989 × 8000 what gives us 39912000

= 39956901
