import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		
		try (Scanner sc = new Scanner(System.in)) {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} // Scanner Close
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		
		try (Scanner sc = new Scanner(System.in)) {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} // Scanner Close
	}
} Main public static void main(String[] args) {
		
		try (Scanner sc = new Scanner(System.in)) {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} // Scanner Close
	} main {
		
		try (Scanner sc = new Scanner(System.in)) {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} // Scanner Close
	} try (Scanner sc = new Scanner(System.in)) {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} // Scanner Close {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} Scanner sc = new Scanner(System.in) Scanner sc = new Scanner(System.in) new Scanner(System.in) int A = Integer.parseInt(sc.next()); A Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int B = Integer.parseInt(sc.next()); B Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int T = Integer.parseInt(sc.next()); T Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc System.out.println((T / A) * B) System.out.println System.out System System.out (T / A) * B (T / A) T A B String[] args args public class Main {
	public static void main(String[] args) {
		
		try (Scanner sc = new Scanner(System.in)) {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} // Scanner Close
	}
} public class Main {
	public static void main(String[] args) {
		
		try (Scanner sc = new Scanner(System.in)) {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} // Scanner Close
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		
		try (Scanner sc = new Scanner(System.in)) {
			int A = Integer.parseInt(sc.next());
			int B = Integer.parseInt(sc.next());
			int T = Integer.parseInt(sc.next());
			
			System.out.println((T / A) * B); 
		} // Scanner Close
	}
}