import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		int T = scan.nextInt();

		int times = T /A;
		int ans = times * B;

		System.out.println(ans);
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		int T = scan.nextInt();

		int times = T /A;
		int ans = times * B;

		System.out.println(ans);
	}
} Main public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		int T = scan.nextInt();

		int times = T /A;
		int ans = times * B;

		System.out.println(ans);
	} main {

		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		int T = scan.nextInt();

		int times = T /A;
		int ans = times * B;

		System.out.println(ans);
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int A = scan.nextInt(); A scan.nextInt() scan.nextInt scan int B = scan.nextInt(); B scan.nextInt() scan.nextInt scan int T = scan.nextInt(); T scan.nextInt() scan.nextInt scan int times = T /A; times T /A T A int ans = times * B; ans times * B times B System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		int T = scan.nextInt();

		int times = T /A;
		int ans = times * B;

		System.out.println(ans);
	}
} public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		int T = scan.nextInt();

		int times = T /A;
		int ans = times * B;

		System.out.println(ans);
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		int T = scan.nextInt();

		int times = T /A;
		int ans = times * B;

		System.out.println(ans);
	}
}