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get '/' => sub {
  my $c = shift;
...
  $c->render( template => 'result', c => $result );
};

@@ index.html.ep

...
<input name="option" size="40" type="text"></input><br>
<br><input type="submit" name="submit" value="submit"><br>
</form>

@@ result.html.ep
%layout 'default';
...
<%= $c %>
</pre>
</div>