import 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 preans = T / A;
      	int ans = B * preans;
      	System.out.print(ans);
      	Scan.close();
    }
} import java.util.*; util.* java 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 preans = T / A;
      	int ans = B * preans;
      	System.out.print(ans);
      	Scan.close();
    }
} 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 preans = T / A;
      	int ans = B * preans;
      	System.out.print(ans);
      	Scan.close();
    } main {
    	Scanner Scan = new Scanner(System.in);
      	int A = Scan.nextInt();
      	int B = Scan.nextInt();
      	int T = Scan.nextInt();
      	int preans = T / A;
      	int ans = B * preans;
      	System.out.print(ans);
      	Scan.close();
    } 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 preans = T / A; preans T / A T A int ans = B * preans; ans B * preans B preans System.out.print(ans) System.out.print System.out System System.out ans Scan.close() Scan.close Scan 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 preans = T / A;
      	int ans = B * preans;
      	System.out.print(ans);
      	Scan.close();
    }
} 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 preans = T / A;
      	int ans = B * preans;
      	System.out.print(ans);
      	Scan.close();
    }
} Main
import 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 preans = T / A;
      	int ans = B * preans;
      	System.out.print(ans);
      	Scan.close();
    }
}