Let's calculate 7689 x 1742
7689 × 1742 = 1742 × (7689)
+ 1742 × 9 that is equal 15678
+ 1742 × 80 giving us 139360
+ 1742 × 600 that results in 1045200
+ 1742 × 7000 resulting in 12194000

= 13394238
