// For more tutorials: https://blog.learngoprogramming.com // // Copyright © 2018 Inanc Gumus // Learn Go Programming Course // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ // package main import "fmt" func main() { var ( length int width, height = 5, 6 ) // first calculates: (width + height) // then : multiplies it with 2 // just like in math length = 2 * (width + height) fmt.Println(length) }