Alright, let's work through 6447 times 5317 step by step
6447 × 5317 = 5317 × (6447)
+ 5317 × 7 which equals 37219
+ 5317 × 40 giving us 212680
+ 5317 × 400 resulting in 2126800
+ 5317 × 6000 yielding 31902000

= 34278699
