No problem, we've got 2344 and 7891 to multiply
2344 × 7891 = 7891 × (2344)
+ 7891 × 4 resulting in 31564
+ 7891 × 40 that is equal 315640
+ 7891 × 300 yielding 2367300
+ 7891 × 2000 that results in 15782000

= 18496504
