No problem, we've got 6861 and 8509 to multiply
6861 × 8509 = 8509 × (6861)
+ 8509 × 1 that is equal 8509
+ 8509 × 60 producing 510540
+ 8509 × 800 which equals 6807200
+ 8509 × 6000 resulting in 51054000

= 58380249
