No problem, we've got 3859 and 6684 to multiply
3859 × 6684 = 6684 × (3859)
+ 6684 × 9 that is equal 60156
+ 6684 × 50 what gives us 334200
+ 6684 × 800 that equals 5347200
+ 6684 × 3000 producing 20052000

= 25793556
