import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		sc.close();

		int total = 0;

		for(int second = 1; second <= T ; second++) {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		}

		System.out.println(total);

	}

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

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		sc.close();

		int total = 0;

		for(int second = 1; second <= T ; second++) {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		}

		System.out.println(total);

	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		sc.close();

		int total = 0;

		for(int second = 1; second <= T ; second++) {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		}

		System.out.println(total);

	} main {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		sc.close();

		int total = 0;

		for(int second = 1; second <= T ; second++) {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		}

		System.out.println(total);

	} 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 sc.close() sc.close sc int total = 0; total 0 for(int second = 1; second <= T ; second++) {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		} int second = 1; int second = 1; second 1 second <= T second T second++ second++ second {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		} {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		} if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			} second % A == 0 second % A second A 0 {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			} total +=  B total B System.out.println(total) System.out.println System.out System System.out total String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		sc.close();

		int total = 0;

		for(int second = 1; second <= T ; second++) {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		}

		System.out.println(total);

	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		sc.close();

		int total = 0;

		for(int second = 1; second <= T ; second++) {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		}

		System.out.println(total);

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		sc.close();

		int total = 0;

		for(int second = 1; second <= T ; second++) {
			if(second % A == 0) {
				total +=  B;
//				System.out.println("Second:" +second);
//				System.out.println("Total:"+total);
			}
		}

		System.out.println(total);

	}

}