Charity Campaign

package main

import "fmt"

func main() {
    var days, cookers, cakes, waffles, pancakes int
    fmt.Scanln(&days)
    fmt.Scanln(&cookers)
    fmt.Scanln(&cakes)
    fmt.Scanln(&waffles)
    fmt.Scanln(&pancakes)

    sum := float64(days * cookers) * (float64(cakes) * 45.00 + float64(waffles) * 5.80 + float64(pancakes) * 3.20)

    fmt.Printf("%.2f\n", sum - sum / 8)
}