No problem, we've got 8344 and 2780 to multiply
8344 × 2780 = 2780 × (8344)
+ 2780 × 4 that is equal 11120
+ 2780 × 40 which equals 111200
+ 2780 × 300 resulting in 834000
+ 2780 × 8000 resulting in 22240000

= 23196320
