We're going to solve 4389 multiplied by 3974
4389 × 3974 = 3974 × (4389)
+ 3974 × 9 resulting in 35766
+ 3974 × 80 that is equal 317920
+ 3974 × 300 that is equal 1192200
+ 3974 × 4000 producing 15896000

= 17441886
