Alright, let's work through 27398125 times 29357904 step by step
27398125 × 29357904 = 29357904 × (27398125)
+ 29357904 × 5 giving us 146789520
+ 29357904 × 20 that equals 587158080
+ 29357904 × 100 producing 2935790400
+ 29357904 × 8000 resulting in 234863232000
+ 29357904 × 90000 that results in 2642211360000
+ 29357904 × 300000 yielding 8807371200000
+ 29357904 × 7000000 that results in 205505328000000
+ 29357904 × 20000000 which equals 587158080000000

= 804351523530000
