Alright, let's work through 2078 times 6457 step by step
2078 × 6457 = 6457 × (2078)
+ 6457 × 8 what gives us 51656
+ 6457 × 70 resulting in 451990
+ 6457 × 000 that equals 0
+ 6457 × 2000 producing 12914000

= 13417646
