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import java.util.Scanner;

import java.util.Locale;

import java.text.NumberFormat;

import java.text.DecimalFormat;

public class floor {

public static void main(String[] args) {

String dimensions;

Scanner a = new Scanner( System.in );

Scanner b = new Scanner( System.in );

Scanner c = new Scanner( System.in );

System.out.println("Enter the dimensions of the floor. [w*h]");

dimensions = a.next();

String[] wh = dimensions.split("\\*");

float w = Float.parseFloat(wh[0]);

float h = Float.parseFloat(wh[1]);

float f = (w*h);

System.out.println("Assuming square tile, enter its side length.");

String xb = b.next();

System.out.println("Enter the cost of one tile.");

String yb = c.next();

float x = Float.parseFloat(xb);

float y = Float.parseFloat(yb);

float e = (x*x);

float z = (f/e);

float m = (z*y);

double v = m;

Locale lc = new Locale("en", "US");

NumberFormat currencyFormatter = NumberFormat.getCurrencyInstance(lc);

System.out.println("You would have to buy " + z + " tiles, which would total " + currencyFormatter.format(v) + ".");

}

}