05. Training Lab

package main
import "fmt"

func main() {
    var w, h float64
    fmt.Scanln(&w)
    fmt.Scanln(&h)

    var num = (h - 1) * 100 / 70
    var row = w * 100 / 120
    var sum = int(num) * int(row) - 3

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