We're going to solve 8445 multiplied by 2581
8445 × 2581 = 2581 × (8445)
+ 2581 × 5 resulting in 12905
+ 2581 × 40 that is equal 103240
+ 2581 × 400 yielding 1032400
+ 2581 × 8000 that equals 20648000

= 21796545
