Let's calculate 6648 x 3864
6648 × 3864 = 3864 × (6648)
+ 3864 × 8 resulting in 30912
+ 3864 × 40 that is equal 154560
+ 3864 × 600 that is equal 2318400
+ 3864 × 6000 that is equal 23184000

= 25687872
