import java.util.*;

class Main {

	public static void main(String... args) {
  	  Scanner stdin = new Scanner(System.in);

      int args1 = stdin.nextInt();
      int args2 = stdin.nextInt();
      int args3 = stdin.nextInt();
      
      int answer = args3/args1*args2;
      
      System.out.println(answer);
	}
} import java.util.*; util.* java class Main {

	public static void main(String... args) {
  	  Scanner stdin = new Scanner(System.in);

      int args1 = stdin.nextInt();
      int args2 = stdin.nextInt();
      int args3 = stdin.nextInt();
      
      int answer = args3/args1*args2;
      
      System.out.println(answer);
	}
} Main public static void main(String... args) {
  	  Scanner stdin = new Scanner(System.in);

      int args1 = stdin.nextInt();
      int args2 = stdin.nextInt();
      int args3 = stdin.nextInt();
      
      int answer = args3/args1*args2;
      
      System.out.println(answer);
	} main {
  	  Scanner stdin = new Scanner(System.in);

      int args1 = stdin.nextInt();
      int args2 = stdin.nextInt();
      int args3 = stdin.nextInt();
      
      int answer = args3/args1*args2;
      
      System.out.println(answer);
	} Scanner stdin = new Scanner(System.in); stdin new Scanner(System.in) int args1 = stdin.nextInt(); args1 stdin.nextInt() stdin.nextInt stdin int args2 = stdin.nextInt(); args2 stdin.nextInt() stdin.nextInt stdin int args3 = stdin.nextInt(); args3 stdin.nextInt() stdin.nextInt stdin int answer = args3/args1*args2; answer args3/args1*args2 args3/args1 args3 args1 args2 System.out.println(answer) System.out.println System.out System System.out answer String... args args
import java.util.*;

class Main {

	public static void main(String... args) {
  	  Scanner stdin = new Scanner(System.in);

      int args1 = stdin.nextInt();
      int args2 = stdin.nextInt();
      int args3 = stdin.nextInt();
      
      int answer = args3/args1*args2;
      
      System.out.println(answer);
	}
}