import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);

		int numberA=sc.nextInt();
		int numberB=sc.nextInt();
		int T=sc.nextInt();

		int sum=(T/numberA)*numberB;
		System.out.println(sum);
		sc.close();
	}

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

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);

		int numberA=sc.nextInt();
		int numberB=sc.nextInt();
		int T=sc.nextInt();

		int sum=(T/numberA)*numberB;
		System.out.println(sum);
		sc.close();
	}

} Main public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);

		int numberA=sc.nextInt();
		int numberB=sc.nextInt();
		int T=sc.nextInt();

		int sum=(T/numberA)*numberB;
		System.out.println(sum);
		sc.close();
	} main {
		Scanner sc=new Scanner(System.in);

		int numberA=sc.nextInt();
		int numberB=sc.nextInt();
		int T=sc.nextInt();

		int sum=(T/numberA)*numberB;
		System.out.println(sum);
		sc.close();
	} Scanner sc=new Scanner(System.in); sc new Scanner(System.in) int numberA=sc.nextInt(); numberA sc.nextInt() sc.nextInt sc int numberB=sc.nextInt(); numberB sc.nextInt() sc.nextInt sc int T=sc.nextInt(); T sc.nextInt() sc.nextInt sc int sum=(T/numberA)*numberB; sum (T/numberA)*numberB (T/numberA) T numberA numberB System.out.println(sum) System.out.println System.out System System.out sum sc.close() sc.close sc String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);

		int numberA=sc.nextInt();
		int numberB=sc.nextInt();
		int T=sc.nextInt();

		int sum=(T/numberA)*numberB;
		System.out.println(sum);
		sc.close();
	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);

		int numberA=sc.nextInt();
		int numberB=sc.nextInt();
		int T=sc.nextInt();

		int sum=(T/numberA)*numberB;
		System.out.println(sum);
		sc.close();
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);

		int numberA=sc.nextInt();
		int numberB=sc.nextInt();
		int T=sc.nextInt();

		int sum=(T/numberA)*numberB;
		System.out.println(sum);
		sc.close();
	}

}