Alright, let's work through 6423 times 1566 step by step
6423 × 1566 = 1566 × (6423)
+ 1566 × 3 producing 4698
+ 1566 × 20 producing 31320
+ 1566 × 400 that results in 626400
+ 1566 × 6000 producing 9396000

= 10058418
