No problem, we've got 9579 and 1989 to multiply
9579 × 1989 = 1989 × (9579)
+ 1989 × 9 what gives us 17901
+ 1989 × 70 which equals 139230
+ 1989 × 500 which equals 994500
+ 1989 × 9000 that equals 17901000

= 19052631
