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

public class Main{
public static void main (String[] args){
	Scanner sc = new Scanner(System.in);
	int a = Integer.parseInt(sc.next());
	int b = Integer.parseInt(sc.next());
	int t = Integer.parseInt(sc.next());
	System.out.println((t/a)*b);
	
}
} import java.util.*; util.* java import java.lang.*; lang.* java import java.io.*; io.* java public class Main{
public static void main (String[] args){
	Scanner sc = new Scanner(System.in);
	int a = Integer.parseInt(sc.next());
	int b = Integer.parseInt(sc.next());
	int t = Integer.parseInt(sc.next());
	System.out.println((t/a)*b);
	
}
} Main public static void main (String[] args){
	Scanner sc = new Scanner(System.in);
	int a = Integer.parseInt(sc.next());
	int b = Integer.parseInt(sc.next());
	int t = Integer.parseInt(sc.next());
	System.out.println((t/a)*b);
	
} main {
	Scanner sc = new Scanner(System.in);
	int a = Integer.parseInt(sc.next());
	int b = Integer.parseInt(sc.next());
	int t = Integer.parseInt(sc.next());
	System.out.println((t/a)*b);
	
} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = Integer.parseInt(sc.next()); a Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int b = Integer.parseInt(sc.next()); b Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int t = Integer.parseInt(sc.next()); t Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc System.out.println((t/a)*b) System.out.println System.out System System.out (t/a)*b (t/a) t a b String[] args args public class Main{
public static void main (String[] args){
	Scanner sc = new Scanner(System.in);
	int a = Integer.parseInt(sc.next());
	int b = Integer.parseInt(sc.next());
	int t = Integer.parseInt(sc.next());
	System.out.println((t/a)*b);
	
}
} public class Main{
public static void main (String[] args){
	Scanner sc = new Scanner(System.in);
	int a = Integer.parseInt(sc.next());
	int b = Integer.parseInt(sc.next());
	int t = Integer.parseInt(sc.next());
	System.out.println((t/a)*b);
	
}
} Main
import java.util.*;
import java.lang.*;
import java.io.*;

public class Main{
public static void main (String[] args){
	Scanner sc = new Scanner(System.in);
	int a = Integer.parseInt(sc.next());
	int b = Integer.parseInt(sc.next());
	int t = Integer.parseInt(sc.next());
	System.out.println((t/a)*b);
	
}
}
