No problem, we've got 4727 and 3947 to multiply
4727 × 3947 = 3947 × (4727)
+ 3947 × 7 which equals 27629
+ 3947 × 20 resulting in 78940
+ 3947 × 700 what gives us 2762900
+ 3947 × 4000 which equals 15788000

= 18657469
