text: // Setting up readline
  var readline = require('readline'),
  	rl = readline.createInterface({
  		input: process.stdin,
  		output: process.stdout
  	});
  
  /**
   * floor_tile
   * Find Cost of Tile to Cover W x H Floor - 
   *	Calculate the total cost of tile it would take to cover a 
   *	floor plan of width and height, using a cost entered by the user.
   * @param string width - the user input the width - ex: 5
   * @param string height - the user input the height - ex: 10
   * @param string cost - the user input the cost- ex: $5.00
   * @return - the total price - ex: $250.00
   */
  function floor_tile(width,height,cost) {
  	// find the title sqare foot count
  	var totalTileCount = width * height;
  	// now find the total cost
  	return totalTileCount * cost;
  }
  
  console.log("Enter width, height and cost per tile to find the total cost!");
  
  rl.question("Width:", function(width) {
  	rl.question("Height:", function(height) {
  		rl.question("Cost:", function(cost) {
  			console.log("Total Cost: $",floor_tile(width,height,cost));
  			rl.close();
  		});
  	});
  });