We're going to solve 6403 multiplied by 2109
6403 × 2109 = 2109 × (6403)
+ 2109 × 3 giving us 6327
+ 2109 × 00 that is equal 0
+ 2109 × 400 giving us 843600
+ 2109 × 6000 giving us 12654000

= 13503927
