Coffee Machine

package main

import "fmt"

func main() {
    var drink, sugar string
    fmt.Scanln(&drink)
    fmt.Scanln(&sugar)

    var drinkCount int
    fmt.Scanln(&drinkCount)

    sum := float64(drinkCount)

    if drink == "Espresso" {
        if sugar == "Without" {
            sum *= 0.90 * 0.65
        } else if sugar == "Normal" {
            sum *= 1.00
        } else if sugar == "Extra" {
            sum *= 1.20
        }
        if drinkCount > 5 {
            sum *= 0.75
        }
    } else if drink == "Cappuccino" {
        if sugar == "Without" {
            sum *= 0.65
        } else if sugar == "Normal" {
            sum *= 1.20
        } else if sugar == "Extra" {
            sum *= 1.60
        }
    } else if drink == "Tea" {
        if sugar == "Without" {
            sum *= 0.50 * 0.65
        } else if sugar == "Normal" {
            sum *= 0.60
        } else if sugar == "Extra" {
            sum *= 0.70
        }
    }

    if sum > 15 {
        sum *= 0.80
    }

    fmt.Printf("You bought %d cups of %s for %.2f lv.\n", drinkCount, drink, sum)
}