Let's calculate 9789 x 1797
9789 × 1797 = 1797 × (9789)
+ 1797 × 9 producing 16173
+ 1797 × 80 that results in 143760
+ 1797 × 700 that results in 1257900
+ 1797 × 9000 giving us 16173000

= 17590833
