Alright, let's work through 6429 times 8423 step by step
6429 × 8423 = 8423 × (6429)
+ 8423 × 9 that results in 75807
+ 8423 × 20 that equals 168460
+ 8423 × 400 yielding 3369200
+ 8423 × 6000 that results in 50538000

= 54151467
