import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));

		int a = in.nextInt();
		int b = in.nextInt();
		int t = in.nextInt();

		int result = solve(a, b, t);
		System.out.println(result);

		in.close();

	}
	
	public static int solve(int a, int b, int t) {
		int result = 0;
		
		result = (int)(t / a) * b;
		
		return result;
	}

} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));

		int a = in.nextInt();
		int b = in.nextInt();
		int t = in.nextInt();

		int result = solve(a, b, t);
		System.out.println(result);

		in.close();

	}
	
	public static int solve(int a, int b, int t) {
		int result = 0;
		
		result = (int)(t / a) * b;
		
		return result;
	}

} Main public static void main(String[] args) {
		Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));

		int a = in.nextInt();
		int b = in.nextInt();
		int t = in.nextInt();

		int result = solve(a, b, t);
		System.out.println(result);

		in.close();

	} main {
		Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));

		int a = in.nextInt();
		int b = in.nextInt();
		int t = in.nextInt();

		int result = solve(a, b, t);
		System.out.println(result);

		in.close();

	} Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in))); in new Scanner(new BufferedReader(new InputStreamReader(System.in))) int a = in.nextInt(); a in.nextInt() in.nextInt in int b = in.nextInt(); b in.nextInt() in.nextInt in int t = in.nextInt(); t in.nextInt() in.nextInt in int result = solve(a, b, t); result solve(a, b, t) solve a b t System.out.println(result) System.out.println System.out System System.out result in.close() in.close in String[] args args public static int solve(int a, int b, int t) {
		int result = 0;
		
		result = (int)(t / a) * b;
		
		return result;
	} solve {
		int result = 0;
		
		result = (int)(t / a) * b;
		
		return result;
	} int result = 0; result 0 result = (int)(t / a) * b result (int)(t / a) * b (int)(t / a) t a b return result; result int a a int b b int t t public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));

		int a = in.nextInt();
		int b = in.nextInt();
		int t = in.nextInt();

		int result = solve(a, b, t);
		System.out.println(result);

		in.close();

	}
	
	public static int solve(int a, int b, int t) {
		int result = 0;
		
		result = (int)(t / a) * b;
		
		return result;
	}

} public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));

		int a = in.nextInt();
		int b = in.nextInt();
		int t = in.nextInt();

		int result = solve(a, b, t);
		System.out.println(result);

		in.close();

	}
	
	public static int solve(int a, int b, int t) {
		int result = 0;
		
		result = (int)(t / a) * b;
		
		return result;
	}

} Main
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner in = new Scanner(new BufferedReader(new InputStreamReader(System.in)));

		int a = in.nextInt();
		int b = in.nextInt();
		int t = in.nextInt();

		int result = solve(a, b, t);
		System.out.println(result);

		in.close();

	}
	
	public static int solve(int a, int b, int t) {
		int result = 0;
		
		result = (int)(t / a) * b;
		
		return result;
	}

}