NaN in multiplication
<p>I am trying this code, but i am getting NaN</p>

<pre><code>a = unidade.val();
b = unitario.val();
//alert(a);5
//alert(b);50,00
$(total).val(a * b); //NaN
</code></pre>

<p>Why? because is a <code>int*float</code>?</p>
