import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); //入力 double year = Double.parseDouble(sc.next()); double week = Double.parseDouble(sc.next()); double holiday = Double.parseDouble(sc.next()); //処理 double ave = year / week * holiday; //出力 System.out.println(ave); } }