Let's calculate 8398 x 2131
8398 × 2131 = 2131 × (8398)
+ 2131 × 8 which equals 17048
+ 2131 × 90 that is equal 191790
+ 2131 × 300 that is equal 639300
+ 2131 × 8000 that results in 17048000

= 17896138
