Alright, let's work through 6780 times 1900 step by step
6780 × 1900 = 1900 × (6780)
+ 1900 × 0 producing 0
+ 1900 × 80 resulting in 152000
+ 1900 × 700 giving us 1330000
+ 1900 × 6000 giving us 11400000

= 12882000
