Let's calculate 6647 x 2613
6647 × 2613 = 2613 × (6647)
+ 2613 × 7 that results in 18291
+ 2613 × 40 that results in 104520
+ 2613 × 600 what gives us 1567800
+ 2613 × 6000 what gives us 15678000

= 17368611
