Let's calculate 4255 x 6300
4255 × 6300 = 6300 × (4255)
+ 6300 × 5 resulting in 31500
+ 6300 × 50 that is equal 315000
+ 6300 × 200 which equals 1260000
+ 6300 × 4000 which equals 25200000

= 26806500
