Alright, let's work through 6468 times 4378 step by step
6468 × 4378 = 4378 × (6468)
+ 4378 × 8 what gives us 35024
+ 4378 × 60 that results in 262680
+ 4378 × 400 giving us 1751200
+ 4378 × 6000 that results in 26268000

= 28316904
