import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.Scanner;

public class Main {

  public static void main(String[] args) throws FileNotFoundException {

//    Scanner cin = new Scanner(new FileReader("input.txt"));
    Scanner cin = new Scanner(System.in);

    int a = cin.nextInt();
    int b = cin.nextInt();
    int x = cin.nextInt();
    
    System.out.println(x/a*b);

  }

} import java.io.FileNotFoundException; FileNotFoundException java.io import java.io.FileReader; FileReader java.io import java.util.Scanner; Scanner java.util public class Main {

  public static void main(String[] args) throws FileNotFoundException {

//    Scanner cin = new Scanner(new FileReader("input.txt"));
    Scanner cin = new Scanner(System.in);

    int a = cin.nextInt();
    int b = cin.nextInt();
    int x = cin.nextInt();
    
    System.out.println(x/a*b);

  }

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

//    Scanner cin = new Scanner(new FileReader("input.txt"));
    Scanner cin = new Scanner(System.in);

    int a = cin.nextInt();
    int b = cin.nextInt();
    int x = cin.nextInt();
    
    System.out.println(x/a*b);

  } main {

//    Scanner cin = new Scanner(new FileReader("input.txt"));
    Scanner cin = new Scanner(System.in);

    int a = cin.nextInt();
    int b = cin.nextInt();
    int x = cin.nextInt();
    
    System.out.println(x/a*b);

  } Scanner cin = new Scanner(System.in); cin new Scanner(System.in) int a = cin.nextInt(); a cin.nextInt() cin.nextInt cin int b = cin.nextInt(); b cin.nextInt() cin.nextInt cin int x = cin.nextInt(); x cin.nextInt() cin.nextInt cin System.out.println(x/a*b) System.out.println System.out System System.out x/a*b x/a x a b String[] args args public class Main {

  public static void main(String[] args) throws FileNotFoundException {

//    Scanner cin = new Scanner(new FileReader("input.txt"));
    Scanner cin = new Scanner(System.in);

    int a = cin.nextInt();
    int b = cin.nextInt();
    int x = cin.nextInt();
    
    System.out.println(x/a*b);

  }

} public class Main {

  public static void main(String[] args) throws FileNotFoundException {

//    Scanner cin = new Scanner(new FileReader("input.txt"));
    Scanner cin = new Scanner(System.in);

    int a = cin.nextInt();
    int b = cin.nextInt();
    int x = cin.nextInt();
    
    System.out.println(x/a*b);

  }

} Main
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.Scanner;

public class Main {

  public static void main(String[] args) throws FileNotFoundException {

//    Scanner cin = new Scanner(new FileReader("input.txt"));
    Scanner cin = new Scanner(System.in);

    int a = cin.nextInt();
    int b = cin.nextInt();
    int x = cin.nextInt();
    
    System.out.println(x/a*b);

  }

}
