Alright, let's work through 8354 times 6467 step by step
8354 × 6467 = 6467 × (8354)
+ 6467 × 4 yielding 25868
+ 6467 × 50 yielding 323350
+ 6467 × 300 resulting in 1940100
+ 6467 × 8000 which equals 51736000

= 54025318
