We're going to solve 9943 multiplied by 1816
9943 × 1816 = 1816 × (9943)
+ 1816 × 3 resulting in 5448
+ 1816 × 40 that equals 72640
+ 1816 × 900 which equals 1634400
+ 1816 × 9000 that is equal 16344000

= 18056488
