import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		try (Scanner s = new Scanner(System.in)) {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		}
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		try (Scanner s = new Scanner(System.in)) {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		}
	}
} Main public static void main(String[] args) {
		try (Scanner s = new Scanner(System.in)) {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		}
	} main {
		try (Scanner s = new Scanner(System.in)) {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		}
	} try (Scanner s = new Scanner(System.in)) {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		} {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		} Scanner s = new Scanner(System.in) Scanner s = new Scanner(System.in) new Scanner(System.in) final int A = s.nextInt(); A s.nextInt() s.nextInt s final int B = s.nextInt(); B s.nextInt() s.nextInt s final int T = s.nextInt(); T s.nextInt() s.nextInt s int ret = 0; ret 0 for(int i = A; i <= T; i += A) {
				ret += B;
			} int i = A; int i = A; i A i <= T i T i += A i += A i A {
				ret += B;
			} {
				ret += B;
			} ret += B ret B System.out.println(ret) System.out.println System.out System System.out ret String[] args args public class Main {
	public static void main(String[] args) {
		try (Scanner s = new Scanner(System.in)) {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		}
	}
} public class Main {
	public static void main(String[] args) {
		try (Scanner s = new Scanner(System.in)) {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		}
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		try (Scanner s = new Scanner(System.in)) {
			final int A = s.nextInt();
			final int B = s.nextInt();
			final int T = s.nextInt();

			int ret = 0;
			for(int i = A; i <= T; i += A) {
				ret += B;
			}
			System.out.println(ret);
		}
	}
}
