import java.math.BigDecimal;
import java.util.Scanner;

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

		System.out.println(countNumberOfCookies.getCount(A, B, T));
	}
}

class CountNumberOfCookies {
	public int getCount(int A, int B, int T) {
		int cookieCount = 0;		
		BigDecimal repeatCount = new BigDecimal((T+0.5) / A);
		cookieCount = B * repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue();
		return cookieCount;
	}
} import java.math.BigDecimal; BigDecimal java.math import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		CountNumberOfCookies countNumberOfCookies = new CountNumberOfCookies();

		System.out.println(countNumberOfCookies.getCount(A, B, T));
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		CountNumberOfCookies countNumberOfCookies = new CountNumberOfCookies();

		System.out.println(countNumberOfCookies.getCount(A, B, T));
	} main {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		CountNumberOfCookies countNumberOfCookies = new CountNumberOfCookies();

		System.out.println(countNumberOfCookies.getCount(A, B, T));
	} 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 CountNumberOfCookies countNumberOfCookies = new CountNumberOfCookies(); countNumberOfCookies new CountNumberOfCookies() System.out.println(countNumberOfCookies.getCount(A, B, T)) System.out.println System.out System System.out countNumberOfCookies.getCount(A, B, T) countNumberOfCookies.getCount countNumberOfCookies A B T String[] args args class CountNumberOfCookies {
	public int getCount(int A, int B, int T) {
		int cookieCount = 0;		
		BigDecimal repeatCount = new BigDecimal((T+0.5) / A);
		cookieCount = B * repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue();
		return cookieCount;
	}
} CountNumberOfCookies public int getCount(int A, int B, int T) {
		int cookieCount = 0;		
		BigDecimal repeatCount = new BigDecimal((T+0.5) / A);
		cookieCount = B * repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue();
		return cookieCount;
	} getCount {
		int cookieCount = 0;		
		BigDecimal repeatCount = new BigDecimal((T+0.5) / A);
		cookieCount = B * repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue();
		return cookieCount;
	} int cookieCount = 0; cookieCount 0 BigDecimal repeatCount = new BigDecimal((T+0.5) / A); repeatCount new BigDecimal((T+0.5) / A) cookieCount = B * repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue() cookieCount B * repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue() B repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue() repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue repeatCount.setScale(0, BigDecimal.ROUND_DOWN) repeatCount.setScale repeatCount 0 BigDecimal.ROUND_DOWN BigDecimal BigDecimal.ROUND_DOWN return cookieCount; cookieCount int A A int B B int T T public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		CountNumberOfCookies countNumberOfCookies = new CountNumberOfCookies();

		System.out.println(countNumberOfCookies.getCount(A, B, T));
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int T = sc.nextInt();
		CountNumberOfCookies countNumberOfCookies = new CountNumberOfCookies();

		System.out.println(countNumberOfCookies.getCount(A, B, T));
	}
} Main
import java.math.BigDecimal;
import java.util.Scanner;

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

		System.out.println(countNumberOfCookies.getCount(A, B, T));
	}
}

class CountNumberOfCookies {
	public int getCount(int A, int B, int T) {
		int cookieCount = 0;		
		BigDecimal repeatCount = new BigDecimal((T+0.5) / A);
		cookieCount = B * repeatCount.setScale(0, BigDecimal.ROUND_DOWN).intValue();
		return cookieCount;
	}
}