No problem, we've got 3920 and 5334 to multiply
3920 × 5334 = 5334 × (3920)
+ 5334 × 0 resulting in 0
+ 5334 × 20 that results in 106680
+ 5334 × 900 giving us 4800600
+ 5334 × 3000 resulting in 16002000

= 20909280
