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

public class Main{
    public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int t=sc.nextInt();

        System.out.println(t/a*b+"\n");
        sc.close();
    }
} import java.util.*; util.* java import java.io.*; io.* java public class Main{
    public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int t=sc.nextInt();

        System.out.println(t/a*b+"\n");
        sc.close();
    }
} Main public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int t=sc.nextInt();

        System.out.println(t/a*b+"\n");
        sc.close();
    } main {
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int t=sc.nextInt();

        System.out.println(t/a*b+"\n");
        sc.close();
    } Scanner sc=new Scanner(System.in); sc new Scanner(System.in) 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 System.out.println(t/a*b+"\n") System.out.println System.out System System.out t/a*b+"\n" t/a*b t/a t a b "\n" sc.close() sc.close sc String[] args args public class Main{
    public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int t=sc.nextInt();

        System.out.println(t/a*b+"\n");
        sc.close();
    }
} public class Main{
    public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int t=sc.nextInt();

        System.out.println(t/a*b+"\n");
        sc.close();
    }
} Main
import java.util.*;
import java.io.*;

public class Main{
    public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int t=sc.nextInt();

        System.out.println(t/a*b+"\n");
        sc.close();
    }
}