Let's calculate 4989 x 5105
4989 × 5105 = 5105 × (4989)
+ 5105 × 9 giving us 45945
+ 5105 × 80 that results in 408400
+ 5105 × 900 that is equal 4594500
+ 5105 × 4000 that results in 20420000

= 25468845
