We're going to solve 6426 multiplied by 1080
6426 × 1080 = 1080 × (6426)
+ 1080 × 6 that is equal 6480
+ 1080 × 20 what gives us 21600
+ 1080 × 400 which equals 432000
+ 1080 × 6000 what gives us 6480000

= 6940080
