Alright, let's work through 8669 times 6423 step by step
8669 × 6423 = 6423 × (8669)
+ 6423 × 9 resulting in 57807
+ 6423 × 60 yielding 385380
+ 6423 × 600 producing 3853800
+ 6423 × 8000 yielding 51384000

= 55680987
