Let's calculate 9867 x 9111
9867 × 9111 = 9111 × (9867)
+ 9111 × 7 resulting in 63777
+ 9111 × 60 that results in 546660
+ 9111 × 800 giving us 7288800
+ 9111 × 9000 that results in 81999000

= 89898237
