Alright, let's work through 4089 times 1567 step by step
4089 × 1567 = 1567 × (4089)
+ 1567 × 9 yielding 14103
+ 1567 × 80 that results in 125360
+ 1567 × 000 giving us 0
+ 1567 × 4000 resulting in 6268000

= 6407463
