import java.util.*;
public class Main{
	public static void main(String[] args){
      	Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt();
      	int b = sc.nextInt();
      	double t = sc.nextDouble();
      	int sec = (int)((t+0.5)/a);
      	int sum = b*sec;
      	System.out.println(sum);
    }
} import java.util.*; util.* java public class Main{
	public static void main(String[] args){
      	Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt();
      	int b = sc.nextInt();
      	double t = sc.nextDouble();
      	int sec = (int)((t+0.5)/a);
      	int sum = b*sec;
      	System.out.println(sum);
    }
} Main public static void main(String[] args){
      	Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt();
      	int b = sc.nextInt();
      	double t = sc.nextDouble();
      	int sec = (int)((t+0.5)/a);
      	int sum = b*sec;
      	System.out.println(sum);
    } main {
      	Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt();
      	int b = sc.nextInt();
      	double t = sc.nextDouble();
      	int sec = (int)((t+0.5)/a);
      	int sum = b*sec;
      	System.out.println(sum);
    } 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 double t = sc.nextDouble(); t sc.nextDouble() sc.nextDouble sc int sec = (int)((t+0.5)/a); sec (int)((t+0.5)/a) (t+0.5) t 0.5 a int sum = b*sec; sum b*sec b sec System.out.println(sum) System.out.println System.out System System.out sum String[] args args public class Main{
	public static void main(String[] args){
      	Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt();
      	int b = sc.nextInt();
      	double t = sc.nextDouble();
      	int sec = (int)((t+0.5)/a);
      	int sum = b*sec;
      	System.out.println(sum);
    }
} public class Main{
	public static void main(String[] args){
      	Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt();
      	int b = sc.nextInt();
      	double t = sc.nextDouble();
      	int sec = (int)((t+0.5)/a);
      	int sum = b*sec;
      	System.out.println(sum);
    }
} Main
import java.util.*;
public class Main{
	public static void main(String[] args){
      	Scanner sc = new Scanner(System.in);
    	int a = sc.nextInt();
      	int b = sc.nextInt();
      	double t = sc.nextDouble();
      	int sec = (int)((t+0.5)/a);
      	int sum = b*sec;
      	System.out.println(sum);
    }
}