import java.util.*;

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

        int ans = (int)(limit / sec) * bisc;
        System.out.println(ans);
    }
} import java.util.*; util.* java class Main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int sec = sc.nextInt();
        int bisc = sc.nextInt();
        int limit = sc.nextInt();

        int ans = (int)(limit / sec) * bisc;
        System.out.println(ans);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int sec = sc.nextInt();
        int bisc = sc.nextInt();
        int limit = sc.nextInt();

        int ans = (int)(limit / sec) * bisc;
        System.out.println(ans);
    } main {
        Scanner sc = new Scanner(System.in);
        int sec = sc.nextInt();
        int bisc = sc.nextInt();
        int limit = sc.nextInt();

        int ans = (int)(limit / sec) * bisc;
        System.out.println(ans);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int sec = sc.nextInt(); sec sc.nextInt() sc.nextInt sc int bisc = sc.nextInt(); bisc sc.nextInt() sc.nextInt sc int limit = sc.nextInt(); limit sc.nextInt() sc.nextInt sc int ans = (int)(limit / sec) * bisc; ans (int)(limit / sec) * bisc (int)(limit / sec) limit sec bisc System.out.println(ans) System.out.println System.out System System.out ans String[] args args
import java.util.*;

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

        int ans = (int)(limit / sec) * bisc;
        System.out.println(ans);
    }
}