import java.util.Scanner;

public class Main {

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

		String InStr = scan.nextLine();
		String[] AryStr = InStr.split(" ");

		int A = Integer.parseInt(AryStr[0]);
		int B = Integer.parseInt(AryStr[1]);
		int T = Integer.parseInt(AryStr[2]);
		int X;

		X = T / A;

		System.out.println(B * X);

		scan.close();
	}
} import java.util.Scanner; Scanner java.util public class Main {

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

		String InStr = scan.nextLine();
		String[] AryStr = InStr.split(" ");

		int A = Integer.parseInt(AryStr[0]);
		int B = Integer.parseInt(AryStr[1]);
		int T = Integer.parseInt(AryStr[2]);
		int X;

		X = T / A;

		System.out.println(B * X);

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

		String InStr = scan.nextLine();
		String[] AryStr = InStr.split(" ");

		int A = Integer.parseInt(AryStr[0]);
		int B = Integer.parseInt(AryStr[1]);
		int T = Integer.parseInt(AryStr[2]);
		int X;

		X = T / A;

		System.out.println(B * X);

		scan.close();
	} main {
		Scanner scan = new Scanner(System.in);

		String InStr = scan.nextLine();
		String[] AryStr = InStr.split(" ");

		int A = Integer.parseInt(AryStr[0]);
		int B = Integer.parseInt(AryStr[1]);
		int T = Integer.parseInt(AryStr[2]);
		int X;

		X = T / A;

		System.out.println(B * X);

		scan.close();
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String InStr = scan.nextLine(); InStr scan.nextLine() scan.nextLine scan String[] AryStr = InStr.split(" "); AryStr InStr.split(" ") InStr.split InStr " " int A = Integer.parseInt(AryStr[0]); A Integer.parseInt(AryStr[0]) Integer.parseInt Integer AryStr[0] AryStr 0 int B = Integer.parseInt(AryStr[1]); B Integer.parseInt(AryStr[1]) Integer.parseInt Integer AryStr[1] AryStr 1 int T = Integer.parseInt(AryStr[2]); T Integer.parseInt(AryStr[2]) Integer.parseInt Integer AryStr[2] AryStr 2 int X; X X = T / A X T / A T A System.out.println(B * X) System.out.println System.out System System.out B * X B X scan.close() scan.close scan String[] args args public class Main {

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

		String InStr = scan.nextLine();
		String[] AryStr = InStr.split(" ");

		int A = Integer.parseInt(AryStr[0]);
		int B = Integer.parseInt(AryStr[1]);
		int T = Integer.parseInt(AryStr[2]);
		int X;

		X = T / A;

		System.out.println(B * X);

		scan.close();
	}
} public class Main {

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

		String InStr = scan.nextLine();
		String[] AryStr = InStr.split(" ");

		int A = Integer.parseInt(AryStr[0]);
		int B = Integer.parseInt(AryStr[1]);
		int T = Integer.parseInt(AryStr[2]);
		int X;

		X = T / A;

		System.out.println(B * X);

		scan.close();
	}
} Main
import java.util.Scanner;

public class Main {

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

		String InStr = scan.nextLine();
		String[] AryStr = InStr.split(" ");

		int A = Integer.parseInt(AryStr[0]);
		int B = Integer.parseInt(AryStr[1]);
		int T = Integer.parseInt(AryStr[2]);
		int X;

		X = T / A;

		System.out.println(B * X);

		scan.close();
	}
}
