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

public class Main {

	private static final boolean TEST = false;

	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();
		System.out.println(solve(a, b, t));
		in.close();
	}

	private static int solve(int a, int b, int t) {
		return (t / a) * b;
	}
} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io import java.math.BigInteger; BigInteger java.math import java.util.Scanner; Scanner java.util public class Main {

	private static final boolean TEST = false;

	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();
		System.out.println(solve(a, b, t));
		in.close();
	}

	private static int solve(int a, int b, int t) {
		return (t / a) * b;
	}
} Main private static final boolean TEST = false; TEST false 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();
		System.out.println(solve(a, b, t));
		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();
		System.out.println(solve(a, b, t));
		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 System.out.println(solve(a, b, t)) System.out.println System.out System System.out solve(a, b, t) solve a b t in.close() in.close in String[] args args private static int solve(int a, int b, int t) {
		return (t / a) * b;
	} solve {
		return (t / a) * b;
	} return (t / a) * b; (t / a) * b (t / a) t a b int a a int b b int t t public class Main {

	private static final boolean TEST = false;

	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();
		System.out.println(solve(a, b, t));
		in.close();
	}

	private static int solve(int a, int b, int t) {
		return (t / a) * b;
	}
} public class Main {

	private static final boolean TEST = false;

	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();
		System.out.println(solve(a, b, t));
		in.close();
	}

	private static int solve(int a, int b, int t) {
		return (t / a) * b;
	}
} Main
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.math.BigInteger;
import java.util.Scanner;

public class Main {

	private static final boolean TEST = false;

	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();
		System.out.println(solve(a, b, t));
		in.close();
	}

	private static int solve(int a, int b, int t) {
		return (t / a) * b;
	}
}
