Alright, let's work through 99025428 times 27159804 step by step
99025428 × 27159804 = 27159804 × (99025428)
+ 27159804 × 8 producing 217278432
+ 27159804 × 20 producing 543196080
+ 27159804 × 400 that results in 10863921600
+ 27159804 × 5000 giving us 135799020000
+ 27159804 × 20000 yielding 543196080000
+ 27159804 × 000000 that results in 0
+ 27159804 × 9000000 that is equal 244438236000000
+ 27159804 × 90000000 that results in 2444382360000000

= 2689511215496112
