We're going to solve 9889 multiplied by 321
9889 × 321 = 321 × (9889)
+ 321 × 9 what gives us 2889
+ 321 × 80 giving us 25680
+ 321 × 800 that results in 256800
+ 321 × 9000 that is equal 2889000

= 3174369
