import java.util.*;

public class Main {

  public static void main (String[] args) {

    Scanner sc = new Scanner(System.in);

    int A = sc.nextInt();
    int B = sc.nextInt();
    int T = sc.nextInt();

    sc.close();
    
    int a = T / A;

    System.out.println(a * B);

  }

} import java.util.*; util.* java public class Main {

  public static void main (String[] args) {

    Scanner sc = new Scanner(System.in);

    int A = sc.nextInt();
    int B = sc.nextInt();
    int T = sc.nextInt();

    sc.close();
    
    int a = T / A;

    System.out.println(a * B);

  }

} Main public static void main (String[] args) {

    Scanner sc = new Scanner(System.in);

    int A = sc.nextInt();
    int B = sc.nextInt();
    int T = sc.nextInt();

    sc.close();
    
    int a = T / A;

    System.out.println(a * B);

  } main {

    Scanner sc = new Scanner(System.in);

    int A = sc.nextInt();
    int B = sc.nextInt();
    int T = sc.nextInt();

    sc.close();
    
    int a = T / A;

    System.out.println(a * B);

  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc int B = sc.nextInt(); B sc.nextInt() sc.nextInt sc int T = sc.nextInt(); T sc.nextInt() sc.nextInt sc sc.close() sc.close sc int a = T / A; a T / A T A System.out.println(a * B) System.out.println System.out System System.out a * B a B String[] args args public class Main {

  public static void main (String[] args) {

    Scanner sc = new Scanner(System.in);

    int A = sc.nextInt();
    int B = sc.nextInt();
    int T = sc.nextInt();

    sc.close();
    
    int a = T / A;

    System.out.println(a * B);

  }

} public class Main {

  public static void main (String[] args) {

    Scanner sc = new Scanner(System.in);

    int A = sc.nextInt();
    int B = sc.nextInt();
    int T = sc.nextInt();

    sc.close();
    
    int a = T / A;

    System.out.println(a * B);

  }

} Main
import java.util.*;

public class Main {

  public static void main (String[] args) {

    Scanner sc = new Scanner(System.in);

    int A = sc.nextInt();
    int B = sc.nextInt();
    int T = sc.nextInt();

    sc.close();
    
    int a = T / A;

    System.out.println(a * B);

  }

}