Alright, let's work through 6427 times 1371 step by step
6427 × 1371 = 1371 × (6427)
+ 1371 × 7 that equals 9597
+ 1371 × 20 giving us 27420
+ 1371 × 400 yielding 548400
+ 1371 × 6000 producing 8226000

= 8811417
