
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		int a = in.nextInt();
		int b = in.nextInt();
		double t = in.nextDouble();
		
		int ans = 0;
		for(int i=a; i<=t+0.5; i+=a) {
			ans += b;
		}
		
		System.out.println(ans);
		
		in.close();
	}

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

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		int a = in.nextInt();
		int b = in.nextInt();
		double t = in.nextDouble();
		
		int ans = 0;
		for(int i=a; i<=t+0.5; i+=a) {
			ans += b;
		}
		
		System.out.println(ans);
		
		in.close();
	}

} Main public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		int a = in.nextInt();
		int b = in.nextInt();
		double t = in.nextDouble();
		
		int ans = 0;
		for(int i=a; i<=t+0.5; i+=a) {
			ans += b;
		}
		
		System.out.println(ans);
		
		in.close();
	} main {
		Scanner in = new Scanner(System.in);
		
		int a = in.nextInt();
		int b = in.nextInt();
		double t = in.nextDouble();
		
		int ans = 0;
		for(int i=a; i<=t+0.5; i+=a) {
			ans += b;
		}
		
		System.out.println(ans);
		
		in.close();
	} Scanner in = new Scanner(System.in); in new Scanner(System.in) int a = in.nextInt(); a in.nextInt() in.nextInt in int b = in.nextInt(); b in.nextInt() in.nextInt in double t = in.nextDouble(); t in.nextDouble() in.nextDouble in int ans = 0; ans 0 for(int i=a; i<=t+0.5; i+=a) {
			ans += b;
		} int i=a; int i=a; i a i<=t+0.5 i t+0.5 t 0.5 i+=a i+=a i a {
			ans += b;
		} {
			ans += b;
		} ans += b ans b System.out.println(ans) System.out.println System.out System System.out ans in.close() in.close in String[] args args public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		int a = in.nextInt();
		int b = in.nextInt();
		double t = in.nextDouble();
		
		int ans = 0;
		for(int i=a; i<=t+0.5; i+=a) {
			ans += b;
		}
		
		System.out.println(ans);
		
		in.close();
	}

} public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		int a = in.nextInt();
		int b = in.nextInt();
		double t = in.nextDouble();
		
		int ans = 0;
		for(int i=a; i<=t+0.5; i+=a) {
			ans += b;
		}
		
		System.out.println(ans);
		
		in.close();
	}

} Main

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		int a = in.nextInt();
		int b = in.nextInt();
		double t = in.nextDouble();
		
		int ans = 0;
		for(int i=a; i<=t+0.5; i+=a) {
			ans += b;
		}
		
		System.out.println(ans);
		
		in.close();
	}

}
