No problem, we've got 1845 and 5668 to multiply
1845 × 5668 = 5668 × (1845)
+ 5668 × 5 that is equal 28340
+ 5668 × 40 giving us 226720
+ 5668 × 800 producing 4534400
+ 5668 × 1000 that is equal 5668000

= 10457460
