Let's calculate 2389 x 4725
2389 × 4725 = 4725 × (2389)
+ 4725 × 9 giving us 42525
+ 4725 × 80 that results in 378000
+ 4725 × 300 that is equal 1417500
+ 4725 × 2000 resulting in 9450000

= 11288025
