Alright, let's work through 27542803 times 15152482 step by step
27542803 × 15152482 = 15152482 × (27542803)
+ 15152482 × 3 producing 45457446
+ 15152482 × 00 yielding 0
+ 15152482 × 800 giving us 12121985600
+ 15152482 × 2000 giving us 30304964000
+ 15152482 × 40000 giving us 606099280000
+ 15152482 × 500000 yielding 7576241000000
+ 15152482 × 7000000 which equals 106067374000000
+ 15152482 × 20000000 producing 303049640000000

= 417341826687046
