import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		System.out.println(((int)((t+0.5)/a)*b));
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		System.out.println(((int)((t+0.5)/a)*b));
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		System.out.println(((int)((t+0.5)/a)*b));
	} main {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		System.out.println(((int)((t+0.5)/a)*b));
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt() a sc.nextInt() sc.nextInt sc b = sc.nextInt() b sc.nextInt() sc.nextInt sc t = sc.nextInt(); t sc.nextInt() sc.nextInt sc System.out.println(((int)((t+0.5)/a)*b)) System.out.println System.out System System.out ((int)((t+0.5)/a)*b) (int)((t+0.5)/a) (t+0.5) t 0.5 a b String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		System.out.println(((int)((t+0.5)/a)*b));
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		System.out.println(((int)((t+0.5)/a)*b));
	}
} Main
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		System.out.println(((int)((t+0.5)/a)*b));
	}
}
