No problem, we've got 3861 and 2086 to multiply
3861 × 2086 = 2086 × (3861)
+ 2086 × 1 producing 2086
+ 2086 × 60 which equals 125160
+ 2086 × 800 yielding 1668800
+ 2086 × 3000 that results in 6258000

= 8054046
