JQuery multiply and add
<p>Let's say I have some numbers that I want to multiply and add. </p>

<pre><code>var a = 5;
var b = 10;
var c = 2;
var d = 3;
</code></pre>

<p>I want to sum b and c then multiply that by a, then add d. Easy right?</p>

<p>If if were a normal equation the formula would look like: (a * (b  + c) + d)</p>

<p>But how do I do that in JQuery? </p>

<p>(Note: the reason for JQuery is that I'll be getting these numbers from fields and divs... and placing a total elsewhere, etc.)</p>
