Alright, let's work through 27065055 times 23501371 step by step
27065055 × 23501371 = 23501371 × (27065055)
+ 23501371 × 5 what gives us 117506855
+ 23501371 × 50 giving us 1175068550
+ 23501371 × 000 that equals 0
+ 23501371 × 5000 that is equal 117506855000
+ 23501371 × 60000 yielding 1410082260000
+ 23501371 × 000000 producing 0
+ 23501371 × 7000000 that equals 164509597000000
+ 23501371 × 20000000 yielding 470027420000000

= 636065898690405
