We're going to solve 2821 multiplied by 4505
2821 × 4505 = 4505 × (2821)
+ 4505 × 1 giving us 4505
+ 4505 × 20 that results in 90100
+ 4505 × 800 giving us 3604000
+ 4505 × 2000 giving us 9010000

= 12708605
