Alright, let's work through 4887 times 8009 step by step
4887 × 8009 = 8009 × (4887)
+ 8009 × 7 producing 56063
+ 8009 × 80 that equals 640720
+ 8009 × 800 that equals 6407200
+ 8009 × 4000 that equals 32036000

= 39139983
