Alright, let's work through 6389 times 8319 step by step
6389 × 8319 = 8319 × (6389)
+ 8319 × 9 that equals 74871
+ 8319 × 80 yielding 665520
+ 8319 × 300 giving us 2495700
+ 8319 × 6000 which equals 49914000

= 53150091
