import java.util.*;
import java.io.*;

public class Main
{
  	int a, b, t;
  
    Main(Scanner in, PrintWriter out)
    {
    	a = in.nextInt();
      	b = in.nextInt();
     	t = in.nextInt();
      	out.println(b*(t/a));
    }
	
	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		new	Main(in, out);
		out.close();
	} 
} import java.util.*; util.* java import java.io.*; io.* java public class Main
{
  	int a, b, t;
  
    Main(Scanner in, PrintWriter out)
    {
    	a = in.nextInt();
      	b = in.nextInt();
     	t = in.nextInt();
      	out.println(b*(t/a));
    }
	
	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		new	Main(in, out);
		out.close();
	} 
} Main int a a b b t; t Main(Scanner in, PrintWriter out)
    {
    	a = in.nextInt();
      	b = in.nextInt();
     	t = in.nextInt();
      	out.println(b*(t/a));
    } Main {
    	a = in.nextInt();
      	b = in.nextInt();
     	t = in.nextInt();
      	out.println(b*(t/a));
    } a = in.nextInt() a in.nextInt() in.nextInt in b = in.nextInt() b in.nextInt() in.nextInt in t = in.nextInt() t in.nextInt() in.nextInt in out.println(b*(t/a)) out.println out b*(t/a) b (t/a) t a Scanner in in PrintWriter out out public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		new	Main(in, out);
		out.close();
	} main {
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		new	Main(in, out);
		out.close();
	} Scanner in = new Scanner(System.in); in new Scanner(System.in) PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) new	Main(in, out) out.close() out.close out String[] args args public class Main
{
  	int a, b, t;
  
    Main(Scanner in, PrintWriter out)
    {
    	a = in.nextInt();
      	b = in.nextInt();
     	t = in.nextInt();
      	out.println(b*(t/a));
    }
	
	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		new	Main(in, out);
		out.close();
	} 
} public class Main
{
  	int a, b, t;
  
    Main(Scanner in, PrintWriter out)
    {
    	a = in.nextInt();
      	b = in.nextInt();
     	t = in.nextInt();
      	out.println(b*(t/a));
    }
	
	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		new	Main(in, out);
		out.close();
	} 
} Main
import java.util.*;
import java.io.*;

public class Main
{
  	int a, b, t;
  
    Main(Scanner in, PrintWriter out)
    {
    	a = in.nextInt();
      	b = in.nextInt();
     	t = in.nextInt();
      	out.println(b*(t/a));
    }
	
	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		new	Main(in, out);
		out.close();
	} 
}