import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int cycle, number_of_biscuits, time;
    cycle = Integer.parseInt(sc.next());
    number_of_biscuits = Integer.parseInt(sc.next());
    time = Integer.parseInt(sc.next());
    System.out.println(time / cycle * number_of_biscuits);
  }
} import java.util.*; util.* java public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int cycle, number_of_biscuits, time;
    cycle = Integer.parseInt(sc.next());
    number_of_biscuits = Integer.parseInt(sc.next());
    time = Integer.parseInt(sc.next());
    System.out.println(time / cycle * number_of_biscuits);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int cycle, number_of_biscuits, time;
    cycle = Integer.parseInt(sc.next());
    number_of_biscuits = Integer.parseInt(sc.next());
    time = Integer.parseInt(sc.next());
    System.out.println(time / cycle * number_of_biscuits);
  } main {
    Scanner sc = new Scanner(System.in);
    int cycle, number_of_biscuits, time;
    cycle = Integer.parseInt(sc.next());
    number_of_biscuits = Integer.parseInt(sc.next());
    time = Integer.parseInt(sc.next());
    System.out.println(time / cycle * number_of_biscuits);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int cycle cycle number_of_biscuits number_of_biscuits time; time cycle = Integer.parseInt(sc.next()) cycle Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc number_of_biscuits = Integer.parseInt(sc.next()) number_of_biscuits Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc time = Integer.parseInt(sc.next()) time Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc System.out.println(time / cycle * number_of_biscuits) System.out.println System.out System System.out time / cycle * number_of_biscuits time / cycle time cycle number_of_biscuits String[] args args public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int cycle, number_of_biscuits, time;
    cycle = Integer.parseInt(sc.next());
    number_of_biscuits = Integer.parseInt(sc.next());
    time = Integer.parseInt(sc.next());
    System.out.println(time / cycle * number_of_biscuits);
  }
} public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int cycle, number_of_biscuits, time;
    cycle = Integer.parseInt(sc.next());
    number_of_biscuits = Integer.parseInt(sc.next());
    time = Integer.parseInt(sc.next());
    System.out.println(time / cycle * number_of_biscuits);
  }
} Main
import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int cycle, number_of_biscuits, time;
    cycle = Integer.parseInt(sc.next());
    number_of_biscuits = Integer.parseInt(sc.next());
    time = Integer.parseInt(sc.next());
    System.out.println(time / cycle * number_of_biscuits);
  }
}
