We're going to solve 81988321 multiplied by 72346112
81988321 × 72346112 = 72346112 × (81988321)
+ 72346112 × 1 resulting in 72346112
+ 72346112 × 20 which equals 1446922240
+ 72346112 × 300 that equals 21703833600
+ 72346112 × 8000 that equals 578768896000
+ 72346112 × 80000 producing 5787688960000
+ 72346112 × 900000 yielding 65111500800000
+ 72346112 × 1000000 which equals 72346112000000
+ 72346112 × 80000000 that results in 5787688960000000

= 5931536253757952
