No problem, we've got 2320 and 6409 to multiply
2320 × 6409 = 6409 × (2320)
+ 6409 × 0 which equals 0
+ 6409 × 20 giving us 128180
+ 6409 × 300 yielding 1922700
+ 6409 × 2000 giving us 12818000

= 14868880
