package main import "fmt" func callmed(i int) int { return i * i * i } func callmee(i int) int { return i + 20 } func callme2(i int) int { d := callmee(i) + 40 return d + callmed(i) } func callme(i int) int { return 10 + callme2(i) } func main() { j := 0 j += callme(2) fmt.Println(j) }