I tried a simple calculation it gives me wrong result.
Here is the fiddle : https://jsfiddle.net/pwu7n6qL/2/
var test = (1909 / 10000) * 10000
$("#abc").val(test);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="value">
<input type="number" id="abc"> <br>
<br> Actual answer is suppose to be : 1909
</div>