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

import static java.lang.System.in;

public class Main {
    static long[][] selfCon, selfUncon;
    static long mod = 1000000000+7;
    static int n;
    public static void main(String[] args) throws FileNotFoundException {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt(),  B = sc.nextInt(),T = sc.nextInt();
        int ans = T/A*B;
        System.out.println(ans);
    }
} import java.util.*; util.* java import java.io.*; io.* java import static java.lang.System.in; import static java.lang.System.in; import static java.lang.System.in; public class Main {
    static long[][] selfCon, selfUncon;
    static long mod = 1000000000+7;
    static int n;
    public static void main(String[] args) throws FileNotFoundException {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt(),  B = sc.nextInt(),T = sc.nextInt();
        int ans = T/A*B;
        System.out.println(ans);
    }
} Main static long[][] selfCon selfCon selfUncon; selfUncon static long mod = 1000000000+7; mod 1000000000+7 1000000000 7 static int n; n public static void main(String[] args) throws FileNotFoundException {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt(),  B = sc.nextInt(),T = sc.nextInt();
        int ans = T/A*B;
        System.out.println(ans);
    } main {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt(),  B = sc.nextInt(),T = sc.nextInt();
        int ans = T/A*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 B = sc.nextInt() B sc.nextInt() sc.nextInt sc T = sc.nextInt(); T sc.nextInt() sc.nextInt sc int ans = T/A*B; ans T/A*B T/A T A B System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
    static long[][] selfCon, selfUncon;
    static long mod = 1000000000+7;
    static int n;
    public static void main(String[] args) throws FileNotFoundException {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt(),  B = sc.nextInt(),T = sc.nextInt();
        int ans = T/A*B;
        System.out.println(ans);
    }
} public class Main {
    static long[][] selfCon, selfUncon;
    static long mod = 1000000000+7;
    static int n;
    public static void main(String[] args) throws FileNotFoundException {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt(),  B = sc.nextInt(),T = sc.nextInt();
        int ans = T/A*B;
        System.out.println(ans);
    }
} Main
import java.util.*;
import java.io.*;

import static java.lang.System.in;

public class Main {
    static long[][] selfCon, selfUncon;
    static long mod = 1000000000+7;
    static int n;
    public static void main(String[] args) throws FileNotFoundException {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt(),  B = sc.nextInt(),T = sc.nextInt();
        int ans = T/A*B;
        System.out.println(ans);
    }
}
