import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int A = scanner.nextInt();
		int B = scanner.nextInt();
		int T = scanner.nextInt();
		int ans = T / A * B;
		System.out.println(ans);
		scanner.close();
	}
} import java.util.Scanner; Scanner java.util public class Main {

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

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

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int A = scanner.nextInt();
		int B = scanner.nextInt();
		int T = scanner.nextInt();
		int ans = T / A * B;
		System.out.println(ans);
		scanner.close();
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int A = scanner.nextInt();
		int B = scanner.nextInt();
		int T = scanner.nextInt();
		int ans = T / A * B;
		System.out.println(ans);
		scanner.close();
	}
}