function recalculatePrice() {
	subTotal = (((parseInt($("#qty").val()) * prodPrice) * 100) / 100).toFixed(2);
	$("#total").text(subTotal);
}

$(document).ready(function() {
	$("#qty").after("&nbsp;&nbsp;(Total: &pound;<span id=\"total\">" + (((parseInt($("#qty").val()) * prodPrice) * 100) / 100).toFixed(2) + "</span>)").change(recalculatePrice);
});