No problem, we've got 3520 and 5509 to multiply
3520 × 5509 = 5509 × (3520)
+ 5509 × 0 yielding 0
+ 5509 × 20 producing 110180
+ 5509 × 500 resulting in 2754500
+ 5509 × 3000 that is equal 16527000

= 19391680
