Alright, let's work through 18009511 times 19088019 step by step
18009511 × 19088019 = 19088019 × (18009511)
+ 19088019 × 1 resulting in 19088019
+ 19088019 × 10 that results in 190880190
+ 19088019 × 500 yielding 9544009500
+ 19088019 × 9000 giving us 171792171000
+ 19088019 × 00000 that results in 0
+ 19088019 × 000000 that is equal 0
+ 19088019 × 8000000 resulting in 152704152000000
+ 19088019 × 10000000 giving us 190880190000000

= 343765888148709
