Let's calculate 7797 x 8109
7797 × 8109 = 8109 × (7797)
+ 8109 × 7 which equals 56763
+ 8109 × 90 that results in 729810
+ 8109 × 700 resulting in 5676300
+ 8109 × 7000 resulting in 56763000

= 63225873
