import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc1 = new Scanner(System.in);

		int a = sc1.nextInt();
		int b = sc1.nextInt();
		int t = sc1.nextInt();

		int ans = t / a * b;

		System.out.println(ans);

		sc1.close();

	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc1 = new Scanner(System.in);

		int a = sc1.nextInt();
		int b = sc1.nextInt();
		int t = sc1.nextInt();

		int ans = t / a * b;

		System.out.println(ans);

		sc1.close();

	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc1 = new Scanner(System.in);

		int a = sc1.nextInt();
		int b = sc1.nextInt();
		int t = sc1.nextInt();

		int ans = t / a * b;

		System.out.println(ans);

		sc1.close();

	} main {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc1 = new Scanner(System.in);

		int a = sc1.nextInt();
		int b = sc1.nextInt();
		int t = sc1.nextInt();

		int ans = t / a * b;

		System.out.println(ans);

		sc1.close();

	} Scanner sc1 = new Scanner(System.in); sc1 new Scanner(System.in) int a = sc1.nextInt(); a sc1.nextInt() sc1.nextInt sc1 int b = sc1.nextInt(); b sc1.nextInt() sc1.nextInt sc1 int t = sc1.nextInt(); t sc1.nextInt() sc1.nextInt sc1 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 sc1.close() sc1.close sc1 String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc1 = new Scanner(System.in);

		int a = sc1.nextInt();
		int b = sc1.nextInt();
		int t = sc1.nextInt();

		int ans = t / a * b;

		System.out.println(ans);

		sc1.close();

	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc1 = new Scanner(System.in);

		int a = sc1.nextInt();
		int b = sc1.nextInt();
		int t = sc1.nextInt();

		int ans = t / a * b;

		System.out.println(ans);

		sc1.close();

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc1 = new Scanner(System.in);

		int a = sc1.nextInt();
		int b = sc1.nextInt();
		int t = sc1.nextInt();

		int ans = t / a * b;

		System.out.println(ans);

		sc1.close();

	}

}