import java.util.Scanner;

public class Main {

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

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

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

	public static void main(String[] args) {
		int a, b, t;
		Scanner scanner = new Scanner (System.in);
		a = scanner.nextInt();
		b = scanner.nextInt();
		t = scanner.nextInt();
		
		System.out.println(b*(t/a));
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		int a, b, t;
		Scanner scanner = new Scanner (System.in);
		a = scanner.nextInt();
		b = scanner.nextInt();
		t = scanner.nextInt();
		
		System.out.println(b*(t/a));
	}
}