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

public class Main {
    public static void main(String[] args) throws IOException, ClassNotFoundException {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        }
        sc.close();
    }

    private static int process(int a, int b, int t) {
        int n = t / a;
        return n * b;
    }
} import java.io.*; io.* java import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) throws IOException, ClassNotFoundException {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        }
        sc.close();
    }

    private static int process(int a, int b, int t) {
        int n = t / a;
        return n * b;
    }
} Main public static void main(String[] args) throws IOException, ClassNotFoundException {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        }
        sc.close();
    } main {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        }
        sc.close();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        } sc.hasNext() sc.hasNext sc {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        } 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 res = process(a, b, t); res process(a, b, t) process a b t System.out.println(res) System.out.println System.out System System.out res sc.close() sc.close sc String[] args args private static int process(int a, int b, int t) {
        int n = t / a;
        return n * b;
    } process {
        int n = t / a;
        return n * b;
    } int n = t / a; n t / a t a return n * b; n * b n b int a a int b b int t t public class Main {
    public static void main(String[] args) throws IOException, ClassNotFoundException {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        }
        sc.close();
    }

    private static int process(int a, int b, int t) {
        int n = t / a;
        return n * b;
    }
} public class Main {
    public static void main(String[] args) throws IOException, ClassNotFoundException {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        }
        sc.close();
    }

    private static int process(int a, int b, int t) {
        int n = t / a;
        return n * b;
    }
} Main
import java.io.*;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws IOException, ClassNotFoundException {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        }
        sc.close();
    }

    private static int process(int a, int b, int t) {
        int n = t / a;
        return n * b;
    }
}
