import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		int A = 0;
		int B = 0;
		int T = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		T = Integer.parseInt(sc.next());
		int count=0;
		count=T/A*B;
		System.out.println(count);
	}

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

	public static void main(String[] args) {
		int A = 0;
		int B = 0;
		int T = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		T = Integer.parseInt(sc.next());
		int count=0;
		count=T/A*B;
		System.out.println(count);
	}

} Main public static void main(String[] args) {
		int A = 0;
		int B = 0;
		int T = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		T = Integer.parseInt(sc.next());
		int count=0;
		count=T/A*B;
		System.out.println(count);
	} main {
		int A = 0;
		int B = 0;
		int T = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		T = Integer.parseInt(sc.next());
		int count=0;
		count=T/A*B;
		System.out.println(count);
	} int A = 0; A 0 int B = 0; B 0 int T = 0; T 0 Scanner sc = new Scanner(System.in); sc new Scanner(System.in) A = Integer.parseInt(sc.next()) A Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc B = Integer.parseInt(sc.next()) B Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc T = Integer.parseInt(sc.next()) T Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int count=0; count 0 count=T/A*B count T/A*B T/A T A B System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {

	public static void main(String[] args) {
		int A = 0;
		int B = 0;
		int T = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		T = Integer.parseInt(sc.next());
		int count=0;
		count=T/A*B;
		System.out.println(count);
	}

} public class Main {

	public static void main(String[] args) {
		int A = 0;
		int B = 0;
		int T = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		T = Integer.parseInt(sc.next());
		int count=0;
		count=T/A*B;
		System.out.println(count);
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		int A = 0;
		int B = 0;
		int T = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		T = Integer.parseInt(sc.next());
		int count=0;
		count=T/A*B;
		System.out.println(count);
	}

}