We're going to solve 9781 multiplied by 2181
9781 × 2181 = 2181 × (9781)
+ 2181 × 1 which equals 2181
+ 2181 × 80 that results in 174480
+ 2181 × 700 that equals 1526700
+ 2181 × 9000 giving us 19629000

= 21332361
