/**
  * {@inheritdoc}
  */
 public function submitForm(array &$form, FormStateInterface $form_state)
 {
     $this->store->set('age', $form_state->getValue('age'));
     $this->store->set('location', $form_state->getValue('location'));
     // Save the data
     parent::saveData();
     $form_state->setRedirect('some_route');
 }