import java.util.Scanner;


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

        Scanner sc = new Scanner(System.in);
	// 整数の入力
	int a = sc.nextInt();
	int b = sc.nextInt();
	int t = sc.nextInt();
	
	double byou = t + 0.5; 
	double byou1 = byou/a;
        int byou2 = (int)byou1;
        
	

	int answer = byou2*b; 

	System.out.println(answer);
}

	

} import java.util.Scanner; Scanner java.util public class Main{
	public static void main(String [] args){

        Scanner sc = new Scanner(System.in);
	// 整数の入力
	int a = sc.nextInt();
	int b = sc.nextInt();
	int t = sc.nextInt();
	
	double byou = t + 0.5; 
	double byou1 = byou/a;
        int byou2 = (int)byou1;
        
	

	int answer = byou2*b; 

	System.out.println(answer);
}

	

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

        Scanner sc = new Scanner(System.in);
	// 整数の入力
	int a = sc.nextInt();
	int b = sc.nextInt();
	int t = sc.nextInt();
	
	double byou = t + 0.5; 
	double byou1 = byou/a;
        int byou2 = (int)byou1;
        
	

	int answer = byou2*b; 

	System.out.println(answer);
} main {

        Scanner sc = new Scanner(System.in);
	// 整数の入力
	int a = sc.nextInt();
	int b = sc.nextInt();
	int t = sc.nextInt();
	
	double byou = t + 0.5; 
	double byou1 = byou/a;
        int byou2 = (int)byou1;
        
	

	int answer = byou2*b; 

	System.out.println(answer);
} 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 double byou = t + 0.5; byou t + 0.5 t 0.5 double byou1 = byou/a; byou1 byou/a byou a int byou2 = (int)byou1; byou2 (int)byou1 int answer = byou2*b; answer byou2*b byou2 b System.out.println(answer) System.out.println System.out System System.out answer String [] args args public class Main{
	public static void main(String [] args){

        Scanner sc = new Scanner(System.in);
	// 整数の入力
	int a = sc.nextInt();
	int b = sc.nextInt();
	int t = sc.nextInt();
	
	double byou = t + 0.5; 
	double byou1 = byou/a;
        int byou2 = (int)byou1;
        
	

	int answer = byou2*b; 

	System.out.println(answer);
}

	

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

        Scanner sc = new Scanner(System.in);
	// 整数の入力
	int a = sc.nextInt();
	int b = sc.nextInt();
	int t = sc.nextInt();
	
	double byou = t + 0.5; 
	double byou1 = byou/a;
        int byou2 = (int)byou1;
        
	

	int answer = byou2*b; 

	System.out.println(answer);
}

	

} Main
import java.util.Scanner;


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

        Scanner sc = new Scanner(System.in);
	// 整数の入力
	int a = sc.nextInt();
	int b = sc.nextInt();
	int t = sc.nextInt();
	
	double byou = t + 0.5; 
	double byou1 = byou/a;
        int byou2 = (int)byou1;
        
	

	int answer = byou2*b; 

	System.out.println(answer);
}

	

}