import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;

public class Main{
	
	public static void main(String[] args)
	{
		new Main().run();
	}
	
	public void run()
	{
		Scanner file = new Scanner(System.in);
		int A = file.nextInt();
		int B = file.nextInt();
		int T = file.nextInt();
		System.out.println(T/A*B);
	}
	
} import java.util.ArrayList; ArrayList java.util import java.util.Arrays; Arrays java.util import java.util.Comparator; Comparator java.util import java.util.Scanner; Scanner java.util public class Main{
	
	public static void main(String[] args)
	{
		new Main().run();
	}
	
	public void run()
	{
		Scanner file = new Scanner(System.in);
		int A = file.nextInt();
		int B = file.nextInt();
		int T = file.nextInt();
		System.out.println(T/A*B);
	}
	
} Main public static void main(String[] args)
	{
		new Main().run();
	} main {
		new Main().run();
	} new Main().run() new Main().run new Main() String[] args args public void run()
	{
		Scanner file = new Scanner(System.in);
		int A = file.nextInt();
		int B = file.nextInt();
		int T = file.nextInt();
		System.out.println(T/A*B);
	} run {
		Scanner file = new Scanner(System.in);
		int A = file.nextInt();
		int B = file.nextInt();
		int T = file.nextInt();
		System.out.println(T/A*B);
	} Scanner file = new Scanner(System.in); file new Scanner(System.in) int A = file.nextInt(); A file.nextInt() file.nextInt file int B = file.nextInt(); B file.nextInt() file.nextInt file int T = file.nextInt(); T file.nextInt() file.nextInt file System.out.println(T/A*B) System.out.println System.out System System.out T/A*B T/A T A B public class Main{
	
	public static void main(String[] args)
	{
		new Main().run();
	}
	
	public void run()
	{
		Scanner file = new Scanner(System.in);
		int A = file.nextInt();
		int B = file.nextInt();
		int T = file.nextInt();
		System.out.println(T/A*B);
	}
	
} public class Main{
	
	public static void main(String[] args)
	{
		new Main().run();
	}
	
	public void run()
	{
		Scanner file = new Scanner(System.in);
		int A = file.nextInt();
		int B = file.nextInt();
		int T = file.nextInt();
		System.out.println(T/A*B);
	}
	
} Main
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;

public class Main{
	
	public static void main(String[] args)
	{
		new Main().run();
	}
	
	public void run()
	{
		Scanner file = new Scanner(System.in);
		int A = file.nextInt();
		int B = file.nextInt();
		int T = file.nextInt();
		System.out.println(T/A*B);
	}
	
}
