Alright, let's work through 4078 times 2451 step by step
4078 × 2451 = 2451 × (4078)
+ 2451 × 8 which equals 19608
+ 2451 × 70 what gives us 171570
+ 2451 × 000 that equals 0
+ 2451 × 4000 yielding 9804000

= 9995178
