Alright, let's work through 18142137 times 13209167 step by step
18142137 × 13209167 = 13209167 × (18142137)
+ 13209167 × 7 resulting in 92464169
+ 13209167 × 30 that equals 396275010
+ 13209167 × 100 giving us 1320916700
+ 13209167 × 2000 what gives us 26418334000
+ 13209167 × 40000 yielding 528366680000
+ 13209167 × 100000 resulting in 1320916700000
+ 13209167 × 8000000 giving us 105673336000000
+ 13209167 × 10000000 that is equal 132091670000000

= 239642517369879
