Alright, let's work through 8389 times 6359 step by step
8389 × 6359 = 6359 × (8389)
+ 6359 × 9 that is equal 57231
+ 6359 × 80 resulting in 508720
+ 6359 × 300 yielding 1907700
+ 6359 × 8000 that is equal 50872000

= 53345651
