Alright, let's work through 72066782 times 49451339 step by step
72066782 × 49451339 = 49451339 × (72066782)
+ 49451339 × 2 that equals 98902678
+ 49451339 × 80 which equals 3956107120
+ 49451339 × 700 resulting in 34615937300
+ 49451339 × 6000 yielding 296708034000
+ 49451339 × 60000 yielding 2967080340000
+ 49451339 × 000000 that equals 0
+ 49451339 × 2000000 giving us 98902678000000
+ 49451339 × 70000000 that results in 3461593730000000

= 3563798867321098
