Alright, let's work through 9981 times 2189 step by step
9981 × 2189 = 2189 × (9981)
+ 2189 × 1 what gives us 2189
+ 2189 × 80 yielding 175120
+ 2189 × 900 that equals 1970100
+ 2189 × 9000 producing 19701000

= 21848409
