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();
      int T = sc.nextInt();
      int C = (int)((T+0.5)/A);
      System.out.println(C*B);
    }
} 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();
      int T = sc.nextInt();
      int C = (int)((T+0.5)/A);
      System.out.println(C*B);
    }
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      int A = sc.nextInt();
      int B = sc.nextInt();
      int T = sc.nextInt();
      int C = (int)((T+0.5)/A);
      System.out.println(C*B);
    } main {
		Scanner sc = new Scanner(System.in);
      int A = sc.nextInt();
      int B = sc.nextInt();
      int T = sc.nextInt();
      int C = (int)((T+0.5)/A);
      System.out.println(C*B);
    } 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 int C = (int)((T+0.5)/A); C (int)((T+0.5)/A) (T+0.5) T 0.5 A System.out.println(C*B) System.out.println System.out System System.out C*B C B 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();
      int T = sc.nextInt();
      int C = (int)((T+0.5)/A);
      System.out.println(C*B);
    }
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      int A = sc.nextInt();
      int B = sc.nextInt();
      int T = sc.nextInt();
      int C = (int)((T+0.5)/A);
      System.out.println(C*B);
    }
} 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();
      int T = sc.nextInt();
      int C = (int)((T+0.5)/A);
      System.out.println(C*B);
    }
}