Alright, let's work through 9429 times 1989 step by step
9429 × 1989 = 1989 × (9429)
+ 1989 × 9 that is equal 17901
+ 1989 × 20 giving us 39780
+ 1989 × 400 what gives us 795600
+ 1989 × 9000 what gives us 17901000

= 18754281
