Let's calculate 6404 x 4143
6404 × 4143 = 4143 × (6404)
+ 4143 × 4 that results in 16572
+ 4143 × 00 what gives us 0
+ 4143 × 400 resulting in 1657200
+ 4143 × 6000 that results in 24858000

= 26531772
