import java.util.*;
import java.io.*;

public class Main {
	
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int t = sc.nextInt();
		int c = t/a;
		int ans = c * b; 
		System.out.println(ans);
	}
} import java.util.*; util.* java import java.io.*; io.* java public class Main {
	
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int t = sc.nextInt();
		int c = t/a;
		int ans = c * b; 
		System.out.println(ans);
	}
} Main public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int t = sc.nextInt();
		int c = t/a;
		int ans = c * b; 
		System.out.println(ans);
	} main {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int t = sc.nextInt();
		int c = t/a;
		int ans = c * b; 
		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 int c = t/a; c t/a t a int ans = c * b; ans c * b c b 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) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int t = sc.nextInt();
		int c = t/a;
		int ans = c * b; 
		System.out.println(ans);
	}
} public class Main {
	
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int t = sc.nextInt();
		int c = t/a;
		int ans = c * b; 
		System.out.println(ans);
	}
} Main
import java.util.*;
import java.io.*;

public class Main {
	
	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int t = sc.nextInt();
		int c = t/a;
		int ans = c * b; 
		System.out.println(ans);
	}
}