input: Write a function to create a Python web application for a car insurance calculator using Flask. The application should have a page where the user can input the data (e.g., age, gender, car model, etc.) and should return a calculated insurance price.
  
  def create_app():
      import flask
      from flask import request, jsonify
  
      # Creating the application app
      app = flask.Flask(__name__)
  
      @app.route('/calculate', methods=['POST'])
      def calculate():
          # Get the input data from the user
          data = request.get_json()
  
          age = data['age']
          gender = data['gender']
          car_model = data['car_model']
  
          # Calculate the insurance price
          # ...
          insurance_price = 0.00  # Placeholder for actual calculation
  
          # Return the calculated insurance price in JSON format
          return jsonify({'insurance_price': insurance_price})
      
      return app
  
  assert create_app().run(host='0.0.0.0', port=8006)
output: def create_app():
      import flask
      from flask import request, jsonify
  
      app = flask.Flask(__name__)
  
      @app.route('/calculate', methods=['POST'])
      def calculate():
          data = request.get_json()
  
          age = data['age']
          gender = data['gender']
          car_model = data['car_model']
  
          insurance_price = 0.00  # Placeholder for actual calculation
  
          return jsonify({'insurance_price': insurance_price})
      
      return app