Alright, let's work through 4078 times 6880 step by step
4078 × 6880 = 6880 × (4078)
+ 6880 × 8 which equals 55040
+ 6880 × 70 resulting in 481600
+ 6880 × 000 yielding 0
+ 6880 × 4000 that results in 27520000

= 28056640
