cannot find Excel Web Access webpart in the gallery

Situation:

While trying to drag drop the webparts, can not find the 'Excel web access' webpart in the list.

Fix:

1. copy paste the following code into a note pad and name it as 'ExcelWebAcces.webpart'.
2. upload the 'ExcelWebAcces.webpart' file into the 'webpart gallery (Site Actions -> Site Settings -> webparts)

<?xml version="1.0" encoding="utf-8" ?>   

<WebPart xmlns="http://schemas.microsoft.com/WebPart/v2">  

<Assembly>Microsoft.Office.Excel.WebUI, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c</Assembly>   

<TypeName>Microsoft.Office.Excel.WebUI.ExcelWebRenderer</TypeName>   

<Title>Excel Web Access</Title>   

<Description>Use the Excel Web Access to interact with an Excel workbook as a Web page.</Description>   

<FrameType>TitleBarOnly</FrameType>   

<PartImageSmall>/_layouts/images/ewr023.gif</PartImageSmall>   

<PartImageLarge>/_layouts/images/ewr023.gif</PartImageLarge>   

</WebPart>