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 ans = 0;

        for(int i=1; A*i<=T; i++){
            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 = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        int ans = 0;

        for(int i=1; A*i<=T; i++){
            ans += B;
        }
        System.out.println(ans);
    }
} 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 ans = 0;

        for(int i=1; A*i<=T; i++){
            ans += B;
        }
        System.out.println(ans);
    } main {
        Scanner sc = new Scanner(System.in);

        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        int ans = 0;

        for(int i=1; A*i<=T; i++){
            ans += B;
        }
        System.out.println(ans);
    } 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 ans = 0; ans 0 for(int i=1; A*i<=T; i++){
            ans += B;
        } int i=1; int i=1; i 1 A*i<=T A*i A i T i++ i++ i {
            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 = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        int ans = 0;

        for(int i=1; A*i<=T; i++){
            ans += B;
        }
        System.out.println(ans);
    }
} 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 ans = 0;

        for(int i=1; A*i<=T; i++){
            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 = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        int ans = 0;

        for(int i=1; A*i<=T; i++){
            ans += B;
        }
        System.out.println(ans);
    }
}