Alright, let's work through 82130219 times 87901331 step by step
82130219 × 87901331 = 87901331 × (82130219)
+ 87901331 × 9 what gives us 791111979
+ 87901331 × 10 that equals 879013310
+ 87901331 × 200 giving us 17580266200
+ 87901331 × 0000 resulting in 0
+ 87901331 × 30000 what gives us 2637039930000
+ 87901331 × 100000 that results in 8790133100000
+ 87901331 × 2000000 producing 175802662000000
+ 87901331 × 80000000 producing 7032106480000000

= 7219355565421489
