 type="number" id="roomHeight" required>
                    </div>
                    <div class="input-group">
                        <label for="numDoors">Number of Doors:</label>
                        <input type="number" id="numDoors" required>
                    </div>
                    <div class="input-group">
                        <label for="numWindows">Number of Windows:</label>
                        <input type="number" id="numWindows" required>
                    </div>
  