Let's calculate 2555 x 7866
2555 × 7866 = 7866 × (2555)
+ 7866 × 5 that is equal 39330
+ 7866 × 50 which equals 393300
+ 7866 × 500 which equals 3933000
+ 7866 × 2000 that results in 15732000

= 20097630
