No problem, we've got 3399 and 8445 to multiply
3399 × 8445 = 8445 × (3399)
+ 8445 × 9 what gives us 76005
+ 8445 × 90 resulting in 760050
+ 8445 × 300 which equals 2533500
+ 8445 × 3000 giving us 25335000

= 28704555
