Print the amount of items and total price of Magento's cart

Here's a simple snippet in order to retrieve this 2 useful infos about user's cart.

 

Here you retrieve the amount of items the user has into the cart:

$Qty = $this->helper('checkout/cart')->getSummaryCount();

Here you get the total price of those items:

$quote = Mage::getModel('checkout/session')->getQuote();
$total = $quote->getGrandTotal();
// format total in order to have a user friendly price
$total = $this->helper('checkout')->formatPrice($total);