import java.util.Scanner;

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

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