We're going to solve 2543 multiplied by 5021
2543 × 5021 = 5021 × (2543)
+ 5021 × 3 producing 15063
+ 5021 × 40 producing 200840
+ 5021 × 500 that is equal 2510500
+ 5021 × 2000 resulting in 10042000

= 12768403
