Alright, let's work through 82090828 times 53412690 step by step
82090828 × 53412690 = 53412690 × (82090828)
+ 53412690 × 8 that equals 427301520
+ 53412690 × 20 resulting in 1068253800
+ 53412690 × 800 producing 42730152000
+ 53412690 × 0000 yielding 0
+ 53412690 × 90000 yielding 4807142100000
+ 53412690 × 000000 producing 0
+ 53412690 × 2000000 that equals 106825380000000
+ 53412690 × 80000000 that equals 4273015200000000

= 4384691947807320
