Sea Trip

package main

import "fmt"

func main() {
    var dayFoodPrice, daySouvenirPrice, dayHotelPrice float64
    fmt.Scanln(&dayFoodPrice)
    fmt.Scanln(&daySouvenirPrice)
    fmt.Scanln(&dayHotelPrice)

    foodPrice := dayFoodPrice * 3
    souvenirPrice := daySouvenirPrice * 3
    hotelPrice := dayHotelPrice * 0.90 + dayHotelPrice * 0.85 + dayHotelPrice * 0.80
    transportPrice := 210.0 * 2 / 100 * 7 * 1.85

    fmt.Printf("Money needed: %.2f\n", foodPrice + souvenirPrice + hotelPrice + transportPrice)
}