title: Take decimal numbers only in dart/flutter
body: <p>I have a number that I want to take only the decimal part and convert it to an integer with certain precision.</p>
  <p>How can I do that in Dart Language or flutter  ?</p>
  <p>For example :</p>
  <p><strong>turn this</strong> <code>247.64646122587197</code> <strong>into this</strong> <code>6464</code></p>
  <p>Drop the float number and take only 4 decimals and convert it to an integer.</p>