Let's calculate 8889 x 9031
8889 × 9031 = 9031 × (8889)
+ 9031 × 9 resulting in 81279
+ 9031 × 80 resulting in 722480
+ 9031 × 800 that results in 7224800
+ 9031 × 8000 resulting in 72248000

= 80276559
