import java.util.*;
import java.io.*;

public class Main {

    private static int solver(int a, int b, int t){
        return b * (t / a);
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        System.out.println(solver(in.nextInt(), in.nextInt(), in.nextInt()));
    }
} import java.util.*; util.* java import java.io.*; io.* java public class Main {

    private static int solver(int a, int b, int t){
        return b * (t / a);
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        System.out.println(solver(in.nextInt(), in.nextInt(), in.nextInt()));
    }
} Main private static int solver(int a, int b, int t){
        return b * (t / a);
    } solver {
        return b * (t / a);
    } return b * (t / a); b * (t / a) b (t / a) t a int a a int b b int t t public static void main(String[] args) {
        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        System.out.println(solver(in.nextInt(), in.nextInt(), in.nextInt()));
    } main {
        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        System.out.println(solver(in.nextInt(), in.nextInt(), in.nextInt()));
    } Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in))); in new Scanner(new BufferedReader(new InputStreamReader(System.in))) System.out.println(solver(in.nextInt(), in.nextInt(), in.nextInt())) System.out.println System.out System System.out solver(in.nextInt(), in.nextInt(), in.nextInt()) solver in.nextInt() in.nextInt in in.nextInt() in.nextInt in in.nextInt() in.nextInt in String[] args args public class Main {

    private static int solver(int a, int b, int t){
        return b * (t / a);
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        System.out.println(solver(in.nextInt(), in.nextInt(), in.nextInt()));
    }
} public class Main {

    private static int solver(int a, int b, int t){
        return b * (t / a);
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        System.out.println(solver(in.nextInt(), in.nextInt(), in.nextInt()));
    }
} Main
import java.util.*;
import java.io.*;

public class Main {

    private static int solver(int a, int b, int t){
        return b * (t / a);
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
        System.out.println(solver(in.nextInt(), in.nextInt(), in.nextInt()));
    }
}
