import java.util.*;

public class Main{
    public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      int a = Integer.parseInt(sc.next());
      int b = Integer.parseInt(sc.next());
      int t = Integer.parseInt(sc.next());

      int ans = 0;

      for(int i=a;i<=t+0.5;i+=a){
        ans += b;
      }

      System.out.println(ans);

    }
} import java.util.*; util.* java public class Main{
    public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      int a = Integer.parseInt(sc.next());
      int b = Integer.parseInt(sc.next());
      int t = Integer.parseInt(sc.next());

      int ans = 0;

      for(int i=a;i<=t+0.5;i+=a){
        ans += b;
      }

      System.out.println(ans);

    }
} Main public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      int a = Integer.parseInt(sc.next());
      int b = Integer.parseInt(sc.next());
      int t = Integer.parseInt(sc.next());

      int ans = 0;

      for(int i=a;i<=t+0.5;i+=a){
        ans += b;
      }

      System.out.println(ans);

    } main {
      Scanner sc = new Scanner(System.in);

      int a = Integer.parseInt(sc.next());
      int b = Integer.parseInt(sc.next());
      int t = Integer.parseInt(sc.next());

      int ans = 0;

      for(int i=a;i<=t+0.5;i+=a){
        ans += b;
      }

      System.out.println(ans);

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = Integer.parseInt(sc.next()); a Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int b = Integer.parseInt(sc.next()); b Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int t = Integer.parseInt(sc.next()); t Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int ans = 0; ans 0 for(int i=a;i<=t+0.5;i+=a){
        ans += b;
      } int i=a; int i=a; i a i<=t+0.5 i t+0.5 t 0.5 i+=a i+=a i a {
        ans += b;
      } {
        ans += b;
      } ans += b ans b System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main{
    public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      int a = Integer.parseInt(sc.next());
      int b = Integer.parseInt(sc.next());
      int t = Integer.parseInt(sc.next());

      int ans = 0;

      for(int i=a;i<=t+0.5;i+=a){
        ans += b;
      }

      System.out.println(ans);

    }
} public class Main{
    public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      int a = Integer.parseInt(sc.next());
      int b = Integer.parseInt(sc.next());
      int t = Integer.parseInt(sc.next());

      int ans = 0;

      for(int i=a;i<=t+0.5;i+=a){
        ans += b;
      }

      System.out.println(ans);

    }
} Main
import java.util.*;

public class Main{
    public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      int a = Integer.parseInt(sc.next());
      int b = Integer.parseInt(sc.next());
      int t = Integer.parseInt(sc.next());

      int ans = 0;

      for(int i=a;i<=t+0.5;i+=a){
        ans += b;
      }

      System.out.println(ans);

    }
}
