import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int T = scan.nextInt();
        int result = b * (int) ((T + 0.5) / a);
        System.out.println("" + result);
    }

} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int T = scan.nextInt();
        int result = b * (int) ((T + 0.5) / a);
        System.out.println("" + result);
    }

} Main public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int T = scan.nextInt();
        int result = b * (int) ((T + 0.5) / a);
        System.out.println("" + result);
    } main {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int T = scan.nextInt();
        int result = b * (int) ((T + 0.5) / a);
        System.out.println("" + result);
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int b = scan.nextInt(); b scan.nextInt() scan.nextInt scan int T = scan.nextInt(); T scan.nextInt() scan.nextInt scan int result = b * (int) ((T + 0.5) / a); result b * (int) ((T + 0.5) / a) b (int) ((T + 0.5) / a) (T + 0.5) T 0.5 a System.out.println("" + result) System.out.println System.out System System.out "" + result "" result String[] args args public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int T = scan.nextInt();
        int result = b * (int) ((T + 0.5) / a);
        System.out.println("" + result);
    }

} public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int T = scan.nextInt();
        int result = b * (int) ((T + 0.5) / a);
        System.out.println("" + result);
    }

} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int T = scan.nextInt();
        int result = b * (int) ((T + 0.5) / a);
        System.out.println("" + result);
    }

}
