No problem, we've got 3392 and 6409 to multiply
3392 × 6409 = 6409 × (3392)
+ 6409 × 2 that equals 12818
+ 6409 × 90 resulting in 576810
+ 6409 × 300 which equals 1922700
+ 6409 × 3000 giving us 19227000

= 21739328
