import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        //String S = sc.next();

        
        
        int res = T/A*B;
        System.out.println(res);
        
        
                
            

        }
        
        

        
        
        }
     import java.util.*; util.* java public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        //String S = sc.next();

        
        
        int res = T/A*B;
        System.out.println(res);
        
        
                
            

        }
        
        

        
        
        } Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        //String S = sc.next();

        
        
        int res = T/A*B;
        System.out.println(res);
        
        
                
            

        } main {
		Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        //String S = sc.next();

        
        
        int res = T/A*B;
        System.out.println(res);
        
        
                
            

        } 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 int res = T/A*B; res T/A*B T/A T A B System.out.println(res) System.out.println System.out System System.out res String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        //String S = sc.next();

        
        
        int res = T/A*B;
        System.out.println(res);
        
        
                
            

        }
        
        

        
        
        } public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        //String S = sc.next();

        
        
        int res = T/A*B;
        System.out.println(res);
        
        
                
            

        }
        
        

        
        
        } Main
import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        //String S = sc.next();

        
        
        int res = T/A*B;
        System.out.println(res);
        
        
                
            

        }
        
        

        
        
        }
    