import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		long numA = sc.nextLong();
		long numB = sc.nextLong();
		long numC = sc.nextLong();
		long numD = numA*numB;
		System.out.println(numC/numD);

	}
}