Alright, let's work through 6258 times 1399 step by step
6258 × 1399 = 1399 × (6258)
+ 1399 × 8 giving us 11192
+ 1399 × 50 which equals 69950
+ 1399 × 200 giving us 279800
+ 1399 × 6000 giving us 8394000

= 8754942
