We're going to solve 6424 multiplied by 1809
6424 × 1809 = 1809 × (6424)
+ 1809 × 4 giving us 7236
+ 1809 × 20 what gives us 36180
+ 1809 × 400 that equals 723600
+ 1809 × 6000 giving us 10854000

= 11621016
