Alright, let's work through 82505040 times 3478431 step by step
82505040 × 3478431 = 3478431 × (82505040)
+ 3478431 × 0 producing 0
+ 3478431 × 40 yielding 139137240
+ 3478431 × 000 resulting in 0
+ 3478431 × 5000 that is equal 17392155000
+ 3478431 × 00000 which equals 0
+ 3478431 × 500000 producing 1739215500000
+ 3478431 × 2000000 giving us 6956862000000
+ 3478431 × 80000000 yielding 278274480000000

= 286988088792240
