Alright, let's work through 6573 times 6443 step by step
6573 × 6443 = 6443 × (6573)
+ 6443 × 3 resulting in 19329
+ 6443 × 70 resulting in 451010
+ 6443 × 500 that results in 3221500
+ 6443 × 6000 that is equal 38658000

= 42349839
