Let's calculate 7787 x 1438
7787 × 1438 = 1438 × (7787)
+ 1438 × 7 that results in 10066
+ 1438 × 80 that results in 115040
+ 1438 × 700 producing 1006600
+ 1438 × 7000 that results in 10066000

= 11197706
