No problem, we've got 3500 and 4519 to multiply
3500 × 4519 = 4519 × (3500)
+ 4519 × 0 that is equal 0
+ 4519 × 00 giving us 0
+ 4519 × 500 producing 2259500
+ 4519 × 3000 giving us 13557000

= 15816500
