title: JavaFX ProgressBar Value doesn't work
body: <pre><code>ProgressBar pb = new ProgressBar(0.0);
  pb.setProgress(1.0 - (1.0 / ((1.0 * 60) / 15000)));
  </code></pre>
  
  <p>I want progress bar show 60min state, but when left 15000min not really showing state.</p>