No problem, we've got 3994 and 4887 to multiply
3994 × 4887 = 4887 × (3994)
+ 4887 × 4 that results in 19548
+ 4887 × 90 that equals 439830
+ 4887 × 900 giving us 4398300
+ 4887 × 3000 what gives us 14661000

= 19518678
