No problem, we've got 3426 and 7851 to multiply
3426 × 7851 = 7851 × (3426)
+ 7851 × 6 giving us 47106
+ 7851 × 20 giving us 157020
+ 7851 × 400 giving us 3140400
+ 7851 × 3000 producing 23553000

= 26897526
