Alright, let's work through 82153868 times 28973228 step by step
82153868 × 28973228 = 28973228 × (82153868)
+ 28973228 × 8 giving us 231785824
+ 28973228 × 60 giving us 1738393680
+ 28973228 × 800 that equals 23178582400
+ 28973228 × 3000 that is equal 86919684000
+ 28973228 × 50000 which equals 1448661400000
+ 28973228 × 100000 producing 2897322800000
+ 28973228 × 2000000 that equals 57946456000000
+ 28973228 × 80000000 yielding 2317858240000000

= 2380262748645904
