No problem, we've got 1623 and 5727 to multiply
1623 × 5727 = 5727 × (1623)
+ 5727 × 3 that is equal 17181
+ 5727 × 20 resulting in 114540
+ 5727 × 600 producing 3436200
+ 5727 × 1000 that is equal 5727000

= 9294921
