Alright, let's work through 6399 times 762 step by step
6399 × 762 = 762 × (6399)
+ 762 × 9 that equals 6858
+ 762 × 90 producing 68580
+ 762 × 300 which equals 228600
+ 762 × 6000 yielding 4572000

= 4876038
