import java.util.*;

public class Main {

	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		sc.close();
		int ans = t / a;
		ans *= b;
		System.out.println(ans);
	}
} import java.util.*; util.* java public class Main {

	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		sc.close();
		int ans = t / a;
		ans *= b;
		System.out.println(ans);
	}
} Main public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		sc.close();
		int ans = t / a;
		ans *= b;
		System.out.println(ans);
	} main {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		sc.close();
		int ans = t / a;
		ans *= b;
		System.out.println(ans);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt() a sc.nextInt() sc.nextInt sc b = sc.nextInt() b sc.nextInt() sc.nextInt sc t = sc.nextInt(); t sc.nextInt() sc.nextInt sc sc.close() sc.close sc int ans = t / a; ans t / a t a ans *= b ans 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 sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		sc.close();
		int ans = t / a;
		ans *= b;
		System.out.println(ans);
	}
} public class Main {

	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		sc.close();
		int ans = t / a;
		ans *= b;
		System.out.println(ans);
	}
} Main
import java.util.*;

public class Main {

	public static void main(String args[]) {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt(), b = sc.nextInt(), t = sc.nextInt();
		sc.close();
		int ans = t / a;
		ans *= b;
		System.out.println(ans);
	}
}
