import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int k = sc.nextInt();

		long count=0;

		/*if(n==m) {
			System.out.println(n*2);
		}else {
			System.out.println(Math.max(n, m)+Math.max(n, m)-1);
		}*/

		System.out.println(k/n*m);
	}
}

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

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int k = sc.nextInt();

		long count=0;

		/*if(n==m) {
			System.out.println(n*2);
		}else {
			System.out.println(Math.max(n, m)+Math.max(n, m)-1);
		}*/

		System.out.println(k/n*m);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int k = sc.nextInt();

		long count=0;

		/*if(n==m) {
			System.out.println(n*2);
		}else {
			System.out.println(Math.max(n, m)+Math.max(n, m)-1);
		}*/

		System.out.println(k/n*m);
	} main {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int k = sc.nextInt();

		long count=0;

		/*if(n==m) {
			System.out.println(n*2);
		}else {
			System.out.println(Math.max(n, m)+Math.max(n, m)-1);
		}*/

		System.out.println(k/n*m);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int m = sc.nextInt(); m sc.nextInt() sc.nextInt sc int k = sc.nextInt(); k sc.nextInt() sc.nextInt sc long count=0; count 0 System.out.println(k/n*m) System.out.println System.out System System.out k/n*m k/n k n m String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int k = sc.nextInt();

		long count=0;

		/*if(n==m) {
			System.out.println(n*2);
		}else {
			System.out.println(Math.max(n, m)+Math.max(n, m)-1);
		}*/

		System.out.println(k/n*m);
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int k = sc.nextInt();

		long count=0;

		/*if(n==m) {
			System.out.println(n*2);
		}else {
			System.out.println(Math.max(n, m)+Math.max(n, m)-1);
		}*/

		System.out.println(k/n*m);
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		int k = sc.nextInt();

		long count=0;

		/*if(n==m) {
			System.out.println(n*2);
		}else {
			System.out.println(Math.max(n, m)+Math.max(n, m)-1);
		}*/

		System.out.println(k/n*m);
	}
}


