diff --git a/1.go b/1.go
index 70a7fe5..04a0f13 100644
--- a/1.go
+++ b/1.go
@@ -4,4 +4,8 @@ import "fmt"
 
 func main() {
 	fmt.Println("Hello world!")
+
+	var costeFijo float64 = 15.0
+
+	fmt.Println(costeFijo)
 }