import java.util.*;

public class Main{
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();

		double lim = Math.floor((T + 0.5) / A);
		int sum = 0;
		for (int i = 1; i <= lim; i++){
			sum += B;
		}	
		sc.close();
		System.out.println(sum);

	}	
} import java.util.*; util.* java public class Main{
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();

		double lim = Math.floor((T + 0.5) / A);
		int sum = 0;
		for (int i = 1; i <= lim; i++){
			sum += B;
		}	
		sc.close();
		System.out.println(sum);

	}	
} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();

		double lim = Math.floor((T + 0.5) / A);
		int sum = 0;
		for (int i = 1; i <= lim; i++){
			sum += B;
		}	
		sc.close();
		System.out.println(sum);

	} main {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();

		double lim = Math.floor((T + 0.5) / A);
		int sum = 0;
		for (int i = 1; i <= lim; i++){
			sum += B;
		}	
		sc.close();
		System.out.println(sum);

	} 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 double lim = Math.floor((T + 0.5) / A); lim Math.floor((T + 0.5) / A) Math.floor Math (T + 0.5) / A (T + 0.5) T 0.5 A int sum = 0; sum 0 for (int i = 1; i <= lim; i++){
			sum += B;
		} int i = 1; int i = 1; i 1 i <= lim i lim i++ i++ i {
			sum += B;
		} {
			sum += B;
		} sum += B sum B sc.close() sc.close sc System.out.println(sum) System.out.println System.out System System.out sum String[] args args public class Main{
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();

		double lim = Math.floor((T + 0.5) / A);
		int sum = 0;
		for (int i = 1; i <= lim; i++){
			sum += B;
		}	
		sc.close();
		System.out.println(sum);

	}	
} public class Main{
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();

		double lim = Math.floor((T + 0.5) / A);
		int sum = 0;
		for (int i = 1; i <= lim; i++){
			sum += B;
		}	
		sc.close();
		System.out.println(sum);

	}	
} Main
import java.util.*;

public class Main{
	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();

		double lim = Math.floor((T + 0.5) / A);
		int sum = 0;
		for (int i = 1; i <= lim; i++){
			sum += B;
		}	
		sc.close();
		System.out.println(sum);

	}	
}