We're going to solve 4489 multiplied by 6435
4489 × 6435 = 6435 × (4489)
+ 6435 × 9 giving us 57915
+ 6435 × 80 that is equal 514800
+ 6435 × 400 giving us 2574000
+ 6435 × 4000 resulting in 25740000

= 28886715
