Alright, let's work through 5012 times 4207 step by step
5012 × 4207 = 4207 × (5012)
+ 4207 × 2 producing 8414
+ 4207 × 10 producing 42070
+ 4207 × 000 that results in 0
+ 4207 × 5000 that is equal 21035000

= 21085484
