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();
		sc.close();

		int cnt=T/A;
		int ans=B*cnt;

		System.out.println(ans);

	}
} 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();
		sc.close();

		int cnt=T/A;
		int ans=B*cnt;

		System.out.println(ans);

	}
} 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();
		sc.close();

		int cnt=T/A;
		int ans=B*cnt;

		System.out.println(ans);

	} main {
		Scanner sc = new Scanner(System.in);
		int A=sc.nextInt();
		int B=sc.nextInt();
		int T=sc.nextInt();
		sc.close();

		int cnt=T/A;
		int ans=B*cnt;

		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 int B=sc.nextInt(); B sc.nextInt() sc.nextInt sc int T=sc.nextInt(); T sc.nextInt() sc.nextInt sc sc.close() sc.close sc int cnt=T/A; cnt T/A T A int ans=B*cnt; ans B*cnt B cnt 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();
		int B=sc.nextInt();
		int T=sc.nextInt();
		sc.close();

		int cnt=T/A;
		int ans=B*cnt;

		System.out.println(ans);

	}
} 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();
		sc.close();

		int cnt=T/A;
		int ans=B*cnt;

		System.out.println(ans);

	}
} 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();
		sc.close();

		int cnt=T/A;
		int ans=B*cnt;

		System.out.println(ans);

	}
}