import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		System.out.println(solve());
	}
	
	public static int solve() {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		return (int)((T + 0.5) / A) * B;
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		System.out.println(solve());
	}
	
	public static int solve() {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		return (int)((T + 0.5) / A) * B;
	}
} Main public static void main(String[] args) {
		System.out.println(solve());
	} main {
		System.out.println(solve());
	} System.out.println(solve()) System.out.println System.out System System.out solve() solve String[] args args public static int solve() {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		return (int)((T + 0.5) / A) * B;
	} solve {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		return (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 int B = sc.nextInt(); B sc.nextInt() sc.nextInt sc int T = sc.nextInt(); T sc.nextInt() sc.nextInt sc return (int)((T + 0.5) / A) * B; (int)((T + 0.5) / A) * B (int)((T + 0.5) / A) (T + 0.5) T 0.5 A B public class Main {

	public static void main(String[] args) {
		System.out.println(solve());
	}
	
	public static int solve() {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		return (int)((T + 0.5) / A) * B;
	}
} public class Main {

	public static void main(String[] args) {
		System.out.println(solve());
	}
	
	public static int solve() {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		return (int)((T + 0.5) / A) * B;
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		System.out.println(solve());
	}
	
	public static int solve() {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		return (int)((T + 0.5) / A) * B;
	}
}
