
import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		
		Double td = new Double(T + ".5");
		Double ad = new Double(A + "");
		Double atd = td/ad;
		int ati = atd.intValue();
		int result = ati*B;
		System.out.println(result);
	}

} import java.util.Scanner; Scanner java.util public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		
		Double td = new Double(T + ".5");
		Double ad = new Double(A + "");
		Double atd = td/ad;
		int ati = atd.intValue();
		int result = ati*B;
		System.out.println(result);
	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		
		Double td = new Double(T + ".5");
		Double ad = new Double(A + "");
		Double atd = td/ad;
		int ati = atd.intValue();
		int result = ati*B;
		System.out.println(result);
	} main {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		
		Double td = new Double(T + ".5");
		Double ad = new Double(A + "");
		Double atd = td/ad;
		int ati = atd.intValue();
		int result = ati*B;
		System.out.println(result);
	} 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 Double td = new Double(T + ".5"); td new Double(T + ".5") Double ad = new Double(A + ""); ad new Double(A + "") Double atd = td/ad; atd td/ad td ad int ati = atd.intValue(); ati atd.intValue() atd.intValue atd int result = ati*B; result ati*B ati B System.out.println(result) System.out.println System.out System System.out result String[] args args public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		
		Double td = new Double(T + ".5");
		Double ad = new Double(A + "");
		Double atd = td/ad;
		int ati = atd.intValue();
		int result = ati*B;
		System.out.println(result);
	}

} public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		
		Double td = new Double(T + ".5");
		Double ad = new Double(A + "");
		Double atd = td/ad;
		int ati = atd.intValue();
		int result = ati*B;
		System.out.println(result);
	}

} Main

import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		
		Double td = new Double(T + ".5");
		Double ad = new Double(A + "");
		Double atd = td/ad;
		int ati = atd.intValue();
		int result = ati*B;
		System.out.println(result);
	}

}
