function kludge_price(prices, option) {
    var pr1 = prices.price; pr1 = pr1.toString();
    var pr2 = option.price; pr2 = pr2.toString();
	var regex_float = '^[-+]?[0-9]*[.,]?[0-9]+(?:[eE][-+]?[0-9]+)?$';
    var n1 = pr1 ? parseFloat(pr1.replace(regex_float, '')) || 0 : 0; ///\D/g
    var n2 = pr2 ? parseFloat(pr2.replace(regex_float, '')) || 0 : 0;
    var n3 = 0;
    $('input[optpt]:checked').each(function () {
        const add = extractPrice($(this).attr('optpt')); // число
        n3 += add;
    });
	var kludge_quantity = $('#product-quantity').val();
	var total = (n1+n2+n3)*kludge_quantity;
	$('input:hidden[name=\'product_total\']').val(total);
	$('input:hidden[name=\'option[price]\']').val(total + ' ₽');
	$('.product-price').text(total + ' ₽');
}