No problem, we've got 3391 and 5331 to multiply
3391 × 5331 = 5331 × (3391)
+ 5331 × 1 producing 5331
+ 5331 × 90 that equals 479790
+ 5331 × 300 producing 1599300
+ 5331 × 3000 resulting in 15993000

= 18077421
