import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int interval = sc.nextInt();
		int biscuit = sc.nextInt();
		int time = sc.nextInt();
		int count = time / interval;
		System.out.println(biscuit * count);
	}
} import java.util.Scanner; Scanner java.util class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int interval = sc.nextInt();
		int biscuit = sc.nextInt();
		int time = sc.nextInt();
		int count = time / interval;
		System.out.println(biscuit * count);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int interval = sc.nextInt();
		int biscuit = sc.nextInt();
		int time = sc.nextInt();
		int count = time / interval;
		System.out.println(biscuit * count);
	} main {
		Scanner sc = new Scanner(System.in);
		int interval = sc.nextInt();
		int biscuit = sc.nextInt();
		int time = sc.nextInt();
		int count = time / interval;
		System.out.println(biscuit * count);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int interval = sc.nextInt(); interval sc.nextInt() sc.nextInt sc int biscuit = sc.nextInt(); biscuit sc.nextInt() sc.nextInt sc int time = sc.nextInt(); time sc.nextInt() sc.nextInt sc int count = time / interval; count time / interval time interval System.out.println(biscuit * count) System.out.println System.out System System.out biscuit * count biscuit count String[] args args
import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int interval = sc.nextInt();
		int biscuit = sc.nextInt();
		int time = sc.nextInt();
		int count = time / interval;
		System.out.println(biscuit * count);
	}
}