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

public class Main{
 public static void main(String[] args){
   Scanner s = new Scanner(System.in);
   int a = s.nextInt();
   int b = s.nextInt();
   int t = s.nextInt();
   
   int r = t/a;
   System.out.print(r*b);
 }
} import java.util.*; util.* java import java.io.*; io.* java public class Main{
 public static void main(String[] args){
   Scanner s = new Scanner(System.in);
   int a = s.nextInt();
   int b = s.nextInt();
   int t = s.nextInt();
   
   int r = t/a;
   System.out.print(r*b);
 }
} Main public static void main(String[] args){
   Scanner s = new Scanner(System.in);
   int a = s.nextInt();
   int b = s.nextInt();
   int t = s.nextInt();
   
   int r = t/a;
   System.out.print(r*b);
 } main {
   Scanner s = new Scanner(System.in);
   int a = s.nextInt();
   int b = s.nextInt();
   int t = s.nextInt();
   
   int r = t/a;
   System.out.print(r*b);
 } Scanner s = new Scanner(System.in); s new Scanner(System.in) int a = s.nextInt(); a s.nextInt() s.nextInt s int b = s.nextInt(); b s.nextInt() s.nextInt s int t = s.nextInt(); t s.nextInt() s.nextInt s int r = t/a; r t/a t a System.out.print(r*b) System.out.print System.out System System.out r*b r b String[] args args public class Main{
 public static void main(String[] args){
   Scanner s = new Scanner(System.in);
   int a = s.nextInt();
   int b = s.nextInt();
   int t = s.nextInt();
   
   int r = t/a;
   System.out.print(r*b);
 }
} public class Main{
 public static void main(String[] args){
   Scanner s = new Scanner(System.in);
   int a = s.nextInt();
   int b = s.nextInt();
   int t = s.nextInt();
   
   int r = t/a;
   System.out.print(r*b);
 }
} Main
import java.util.*;
import java.io.*;

public class Main{
 public static void main(String[] args){
   Scanner s = new Scanner(System.in);
   int a = s.nextInt();
   int b = s.nextInt();
   int t = s.nextInt();
   
   int r = t/a;
   System.out.print(r*b);
 }
}