No problem, we've got 3647 and 4947 to multiply
3647 × 4947 = 4947 × (3647)
+ 4947 × 7 giving us 34629
+ 4947 × 40 that is equal 197880
+ 4947 × 600 that equals 2968200
+ 4947 × 3000 that equals 14841000

= 18041709
