Alright, let's work through 6466 times 6199 step by step
6466 × 6199 = 6199 × (6466)
+ 6199 × 6 that results in 37194
+ 6199 × 60 producing 371940
+ 6199 × 400 which equals 2479600
+ 6199 × 6000 that equals 37194000

= 40082734
