We're going to solve 9729 multiplied by 3509
9729 × 3509 = 3509 × (9729)
+ 3509 × 9 what gives us 31581
+ 3509 × 20 what gives us 70180
+ 3509 × 700 what gives us 2456300
+ 3509 × 9000 giving us 31581000

= 34139061
