We're going to solve 6447 multiplied by 4388
6447 × 4388 = 4388 × (6447)
+ 4388 × 7 that equals 30716
+ 4388 × 40 that results in 175520
+ 4388 × 400 what gives us 1755200
+ 4388 × 6000 yielding 26328000

= 28289436
