Alright, let's work through 6447 times 6793 step by step
6447 × 6793 = 6793 × (6447)
+ 6793 × 7 yielding 47551
+ 6793 × 40 producing 271720
+ 6793 × 400 which equals 2717200
+ 6793 × 6000 what gives us 40758000

= 43794471
