We're going to solve 4084 multiplied by 5256
4084 × 5256 = 5256 × (4084)
+ 5256 × 4 producing 21024
+ 5256 × 80 giving us 420480
+ 5256 × 000 which equals 0
+ 5256 × 4000 that is equal 21024000

= 21465504
