Blogger CSS help needed please

[copperdesk]

Hi,

I need a help. It is related to "div" tag. following is my blogger code. And my blog show like:

Post title
adsense
blog post

all i want it make it like

post tilte

adsense blog post
blog post

question is: can i achieve this by div float tag? or any other method? please suggest as i'm a rookie in web coding...

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<!-- Main Column -->
<div id="mainClm">

<!-- Blog Posts -->
<Blogger>

<BlogDateHeader>
<h3><$BlogDateHeaderDate$></h3>
</BlogDateHeader>
<a name="<$BlogItemNumber$>">&nbsp;</a>
<BlogItemTitle><h2><BlogItemURL><a href="<$BlogItemURL$>"></BlogItemURL>
<$BlogItemTitle$><BlogItemURL></a></BlogItemURL></h2></BlogItemTitle>
<div>adsense code</div>
<div class="blogPost">

<$BlogItemBody$><br />



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Thank you all in advance.:)