Alright, let's work through 82216892 times 28315957 step by step
82216892 × 28315957 = 28315957 × (82216892)
+ 28315957 × 2 what gives us 56631914
+ 28315957 × 90 that results in 2548436130
+ 28315957 × 800 which equals 22652765600
+ 28315957 × 6000 that is equal 169895742000
+ 28315957 × 10000 giving us 283159570000
+ 28315957 × 200000 yielding 5663191400000
+ 28315957 × 2000000 resulting in 56631914000000
+ 28315957 × 80000000 that is equal 2265276560000000

= 2328049978545644
