No problem, we've got 3615 and 7851 to multiply
3615 × 7851 = 7851 × (3615)
+ 7851 × 5 resulting in 39255
+ 7851 × 10 producing 78510
+ 7851 × 600 that is equal 4710600
+ 7851 × 3000 yielding 23553000

= 28381365
