
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		int A, B, T;
		Scanner scanner = new Scanner(System.in);
		
		A = scanner.nextInt(); 
		B = scanner.nextInt(); 
		T = scanner.nextInt();
	
		scanner.close();
		
		int gen = 0;
		for (int time = 1; time <= T; time++) {
			if (time % A == 0) {
				gen = gen + B;
			}
		}
		System.out.println(gen);
		
		
	}

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

	public static void main(String[] args) {
		int A, B, T;
		Scanner scanner = new Scanner(System.in);
		
		A = scanner.nextInt(); 
		B = scanner.nextInt(); 
		T = scanner.nextInt();
	
		scanner.close();
		
		int gen = 0;
		for (int time = 1; time <= T; time++) {
			if (time % A == 0) {
				gen = gen + B;
			}
		}
		System.out.println(gen);
		
		
	}

} Main public static void main(String[] args) {
		int A, B, T;
		Scanner scanner = new Scanner(System.in);
		
		A = scanner.nextInt(); 
		B = scanner.nextInt(); 
		T = scanner.nextInt();
	
		scanner.close();
		
		int gen = 0;
		for (int time = 1; time <= T; time++) {
			if (time % A == 0) {
				gen = gen + B;
			}
		}
		System.out.println(gen);
		
		
	} main {
		int A, B, T;
		Scanner scanner = new Scanner(System.in);
		
		A = scanner.nextInt(); 
		B = scanner.nextInt(); 
		T = scanner.nextInt();
	
		scanner.close();
		
		int gen = 0;
		for (int time = 1; time <= T; time++) {
			if (time % A == 0) {
				gen = gen + B;
			}
		}
		System.out.println(gen);
		
		
	} int A A B B T; T Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) A = scanner.nextInt() A scanner.nextInt() scanner.nextInt scanner B = scanner.nextInt() B scanner.nextInt() scanner.nextInt scanner T = scanner.nextInt() T scanner.nextInt() scanner.nextInt scanner scanner.close() scanner.close scanner int gen = 0; gen 0 for (int time = 1; time <= T; time++) {
			if (time % A == 0) {
				gen = gen + B;
			}
		} int time = 1; int time = 1; time 1 time <= T time T time++ time++ time {
			if (time % A == 0) {
				gen = gen + B;
			}
		} {
			if (time % A == 0) {
				gen = gen + B;
			}
		} if (time % A == 0) {
				gen = gen + B;
			} time % A == 0 time % A time A 0 {
				gen = gen + B;
			} gen = gen + B gen gen + B gen B System.out.println(gen) System.out.println System.out System System.out gen String[] args args public class Main {

	public static void main(String[] args) {
		int A, B, T;
		Scanner scanner = new Scanner(System.in);
		
		A = scanner.nextInt(); 
		B = scanner.nextInt(); 
		T = scanner.nextInt();
	
		scanner.close();
		
		int gen = 0;
		for (int time = 1; time <= T; time++) {
			if (time % A == 0) {
				gen = gen + B;
			}
		}
		System.out.println(gen);
		
		
	}

} public class Main {

	public static void main(String[] args) {
		int A, B, T;
		Scanner scanner = new Scanner(System.in);
		
		A = scanner.nextInt(); 
		B = scanner.nextInt(); 
		T = scanner.nextInt();
	
		scanner.close();
		
		int gen = 0;
		for (int time = 1; time <= T; time++) {
			if (time % A == 0) {
				gen = gen + B;
			}
		}
		System.out.println(gen);
		
		
	}

} Main

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		int A, B, T;
		Scanner scanner = new Scanner(System.in);
		
		A = scanner.nextInt(); 
		B = scanner.nextInt(); 
		T = scanner.nextInt();
	
		scanner.close();
		
		int gen = 0;
		for (int time = 1; time <= T; time++) {
			if (time % A == 0) {
				gen = gen + B;
			}
		}
		System.out.println(gen);
		
		
	}

}
