We're going to solve 4447 multiplied by 1729
4447 × 1729 = 1729 × (4447)
+ 1729 × 7 that is equal 12103
+ 1729 × 40 what gives us 69160
+ 1729 × 400 yielding 691600
+ 1729 × 4000 that equals 6916000

= 7688863
