We're going to solve 4043 multiplied by 6447
4043 × 6447 = 6447 × (4043)
+ 6447 × 3 resulting in 19341
+ 6447 × 40 what gives us 257880
+ 6447 × 000 resulting in 0
+ 6447 × 4000 that results in 25788000

= 26065221
