import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int A=sc.nextInt(),B=sc.nextInt(),T=sc.nextInt();
		System.out.println(T/A*B);
	}
} 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(),B=sc.nextInt(),T=sc.nextInt();
		System.out.println(T/A*B);
	}
} Main public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int A=sc.nextInt(),B=sc.nextInt(),T=sc.nextInt();
		System.out.println(T/A*B);
	} main {
		Scanner sc=new Scanner(System.in);
		int A=sc.nextInt(),B=sc.nextInt(),T=sc.nextInt();
		System.out.println(T/A*B);
	} Scanner sc=new Scanner(System.in); sc new Scanner(System.in) int A=sc.nextInt() A sc.nextInt() sc.nextInt sc B=sc.nextInt() B sc.nextInt() sc.nextInt sc T=sc.nextInt(); T sc.nextInt() sc.nextInt sc System.out.println(T/A*B) System.out.println System.out System System.out T/A*B T/A T A B String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int A=sc.nextInt(),B=sc.nextInt(),T=sc.nextInt();
		System.out.println(T/A*B);
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int A=sc.nextInt(),B=sc.nextInt(),T=sc.nextInt();
		System.out.println(T/A*B);
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int A=sc.nextInt(),B=sc.nextInt(),T=sc.nextInt();
		System.out.println(T/A*B);
	}
}