No problem, we've got 3889 and 6456 to multiply
3889 × 6456 = 6456 × (3889)
+ 6456 × 9 that is equal 58104
+ 6456 × 80 producing 516480
+ 6456 × 800 giving us 5164800
+ 6456 × 3000 that is equal 19368000

= 25107384
