No problem, we've got 1889 and 6424 to multiply
1889 × 6424 = 6424 × (1889)
+ 6424 × 9 producing 57816
+ 6424 × 80 that is equal 513920
+ 6424 × 800 what gives us 5139200
+ 6424 × 1000 that is equal 6424000

= 12134936
