Alright, let's work through 6451 times 6584 step by step
6451 × 6584 = 6584 × (6451)
+ 6584 × 1 yielding 6584
+ 6584 × 50 resulting in 329200
+ 6584 × 400 which equals 2633600
+ 6584 × 6000 producing 39504000

= 42473384
