import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		Double A = sc.nextDouble();
		int B = sc.nextInt();
		Double T = sc.nextDouble();
		sc.close();
		int a = (int)((T+0.5)/A);
		System.out.println(a*B);
	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		Double A = sc.nextDouble();
		int B = sc.nextInt();
		Double T = sc.nextDouble();
		sc.close();
		int a = (int)((T+0.5)/A);
		System.out.println(a*B);
	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		Double A = sc.nextDouble();
		int B = sc.nextInt();
		Double T = sc.nextDouble();
		sc.close();
		int a = (int)((T+0.5)/A);
		System.out.println(a*B);
	} main {
		Scanner sc = new Scanner(System.in);
		Double A = sc.nextDouble();
		int B = sc.nextInt();
		Double T = sc.nextDouble();
		sc.close();
		int a = (int)((T+0.5)/A);
		System.out.println(a*B);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) Double A = sc.nextDouble(); A sc.nextDouble() sc.nextDouble sc int B = sc.nextInt(); B sc.nextInt() sc.nextInt sc Double T = sc.nextDouble(); T sc.nextDouble() sc.nextDouble sc sc.close() sc.close sc int a = (int)((T+0.5)/A); a (int)((T+0.5)/A) (T+0.5) T 0.5 A System.out.println(a*B) System.out.println System.out System System.out a*B a B String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		Double A = sc.nextDouble();
		int B = sc.nextInt();
		Double T = sc.nextDouble();
		sc.close();
		int a = (int)((T+0.5)/A);
		System.out.println(a*B);
	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		Double A = sc.nextDouble();
		int B = sc.nextInt();
		Double T = sc.nextDouble();
		sc.close();
		int a = (int)((T+0.5)/A);
		System.out.println(a*B);
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		Double A = sc.nextDouble();
		int B = sc.nextInt();
		Double T = sc.nextDouble();
		sc.close();
		int a = (int)((T+0.5)/A);
		System.out.println(a*B);
	}

}