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 answer = 0;
		int count = T/A;
		
		answer = B * count;
		System.out.println(answer);
	}
} 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 answer = 0;
		int count = T/A;
		
		answer = B * count;
		System.out.println(answer);
	}
} 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 answer = 0;
		int count = T/A;
		
		answer = B * count;
		System.out.println(answer);
	} main {

		Scanner scanner = new Scanner(System.in);
		int A = scanner.nextInt();
		int B = scanner.nextInt();
		int T = scanner.nextInt();
		int answer = 0;
		int count = T/A;
		
		answer = B * count;
		System.out.println(answer);
	} 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 answer = 0; answer 0 int count = T/A; count T/A T A answer = B * count answer B * count B count System.out.println(answer) System.out.println System.out System System.out answer 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 answer = 0;
		int count = T/A;
		
		answer = B * count;
		System.out.println(answer);
	}
} 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 answer = 0;
		int count = T/A;
		
		answer = B * count;
		System.out.println(answer);
	}
} 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 answer = 0;
		int count = T/A;
		
		answer = B * count;
		System.out.println(answer);
	}
}