input: 
  def create_insurance_app() -> None:
      """
      Create a Flask web application for a car insurance calculator. 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.
  
      Example:
      >>> app = create_insurance_app()
      * Running on http://0.0.0.0:8006/ (Press CTRL+C to quit)
      """
  
output:     
      from flask import Flask, request, render_template
  
      app = Flask(__name__)
  
      @app.route('/')
      def index():
          return render_template('index.html')
  
      @app.route('/calculate', methods=['POST'])
      def calculate():
          age = int(request.form['age'])
          gender = request.form['gender']
          car_model = request.form['car_model']
          # Placeholder calculation
          insurance_price = age * 10 + (1 if gender == 'male' else 0)
          return f"Your insurance price is: {insurance_price}"
  
      if __name__ == '__main__':
          app.run(port=8006)
  