!7

p-noconsole {
  quickSolve_preload();
  final L<JTextField> l = repF(7, f jtextfield);
  final JTextField lblOutput = jdisabledtextfield();
  showForm(flattenArray2("In", "Out", l, "", "Result", lblOutput, "", jbutton("Solve", r-thread {
    loading {
      L<JTextField> _l = l;
      while (l(_l) > 0 && empty(getTextTrim(last(_l)))) truncateList(_l, l(_l)-1);
      L<S> items = map getText(_l);
      S question = null;
      if (odd(l(items))) question = popLast(items);
      O f = quickSolveToFunction(items);
      S text = "Not solved";
      if (f != null)
        if (question != null)
          text = str(callF(f, question));
        else
          text = "Solved";
      setText(lblOutput, text);
    }
  })));
}