Display Product Price with VAT in Single Product WooCommerce

functions.php

<?php
// =========================================================================
// DISPLAY PRODUCT PRICE WITH VAT
// =========================================================================
function display_product_price_with_vat(){
    global $product;
    $brutto_ar = wc_get_price_to_display( $product );
    $netto_ar = $brutto_ar/127*100;
    $netto_ar_rounded = round($netto_ar);
    $netto_ar_plus_afa = $netto_ar_rounded .' Ft + 27% áfa';
    echo '<div class="afa">'.$netto_ar_plus_afa.'</div>';
}
add_action('woocommerce_single_product_summary', 'display_product_price_with_vat');