Hi Axel,

Thanks for contacting WPClever Support Forum. We're not available at the weekends so today (Monday) I am able to process your ticket.

We’ve received your ticket and assigned one of our developers to help you with that. 

He’ll be looking into your question and responding with specific instructions as soon as possible. 

Please stay patient as we're having very heavy workloads, it might take some time for our developers to reach back.

Best regards.

Hi Axel,

Please use the below custom code instead (How to add custom code?)

add_action( 'woocommerce_after_add_to_cart_button', 'woosq_product_price_recalculate' );
function woosq_product_price_recalculate() {
    global $product;
    $price = $product->get_price();
    echo '<div id="subtotal" data-price="' . esc_attr( $price ) . '" style="display:inline-block;">Total: </div>';
}
add_action( 'wp_footer', 'woosq_footer_js' );
function woosq_footer_js() {
    $currency = get_woocommerce_currency_symbol();
    ?>
    <script>
      (function($) {
        $(function() {
          $('[name=quantity]').trigger('change');
        });
        $(document).on('woosq_loaded', function() {
          $('[name=quantity]').trigger('change');
        });
        $(document).on('input change', '[name=quantity]', function() {
          var qty = $(this).val();
          var price = $('#subtotal').data('price');
          var price_string = (price * qty).toFixed(2);
          $('#subtotal > span').html('<?php echo esc_js( $currency ); ?>' + price_string);
        });
      })(jQuery);
    </script>
    <?php
}

In the settings page of WPC Smart Quick View, please choose this option https://www.screencast.com/t/0qB5qkkVR