Alright, let's work through 82161973 times 59543035 step by step
82161973 × 59543035 = 59543035 × (82161973)
+ 59543035 × 3 that results in 178629105
+ 59543035 × 70 giving us 4168012450
+ 59543035 × 900 that results in 53588731500
+ 59543035 × 1000 giving us 59543035000
+ 59543035 × 60000 producing 3572582100000
+ 59543035 × 100000 that results in 5954303500000
+ 59543035 × 2000000 yielding 119086070000000
+ 59543035 × 80000000 which equals 4763442800000000

= 4892173234008055
