Alright, let's work through 81383614 times 72074142 step by step
81383614 × 72074142 = 72074142 × (81383614)
+ 72074142 × 4 that results in 288296568
+ 72074142 × 10 yielding 720741420
+ 72074142 × 600 producing 43244485200
+ 72074142 × 3000 what gives us 216222426000
+ 72074142 × 80000 resulting in 5765931360000
+ 72074142 × 300000 resulting in 21622242600000
+ 72074142 × 1000000 producing 72074142000000
+ 72074142 × 80000000 which equals 5765931360000000

= 5865654151909188
