Alright, let's work through 1809 times 7027 step by step
1809 × 7027 = 7027 × (1809)
+ 7027 × 9 what gives us 63243
+ 7027 × 00 giving us 0
+ 7027 × 800 that equals 5621600
+ 7027 × 1000 resulting in 7027000

= 12711843
