Alright, let's work through 82202805 times 16209309 step by step
82202805 × 16209309 = 16209309 × (82202805)
+ 16209309 × 5 that results in 81046545
+ 16209309 × 00 yielding 0
+ 16209309 × 800 that equals 12967447200
+ 16209309 × 2000 that results in 32418618000
+ 16209309 × 00000 resulting in 0
+ 16209309 × 200000 giving us 3241861800000
+ 16209309 × 2000000 yielding 32418618000000
+ 16209309 × 80000000 yielding 1296744720000000

= 1332450666911745
