Operazioni in query

[Magicale]

$query = mysql_query("SELECT pd.products_id, p.products_id,  
(p.products_price_sorter*1.2) as pr,  
p.products_tax_class_id, p.products_model from " . TABLE_PRODUCTS_DESCRIPTION . " as pd,  
" . TABLE_PRODUCTS ." as p  
WHERE pd.products_name LIKE '%$k%' AND  
pd.language_id = '".$_SESSION['languages_id']."'  
and (p.products_price_sorter*1.2) >= '$pfrom' and (p.products_price_sorter*1.2) <= '$pto'  
and pd.products_id = p.products_id");