Alright, let's work through 82130135 times 72445483 step by step
82130135 × 72445483 = 72445483 × (82130135)
+ 72445483 × 5 resulting in 362227415
+ 72445483 × 30 what gives us 2173364490
+ 72445483 × 100 what gives us 7244548300
+ 72445483 × 0000 resulting in 0
+ 72445483 × 30000 yielding 2173364490000
+ 72445483 × 100000 producing 7244548300000
+ 72445483 × 2000000 that results in 144890966000000
+ 72445483 × 80000000 resulting in 5795638640000000

= 5949957298930205
