Alright, let's work through 6399 times 9413 step by step
6399 × 9413 = 9413 × (6399)
+ 9413 × 9 which equals 84717
+ 9413 × 90 what gives us 847170
+ 9413 × 300 that equals 2823900
+ 9413 × 6000 producing 56478000

= 60233787
