how to add value and no. of winners field in the giveaway page?

                                    <!-- Text input-->
                                    <div class="form-group">
                                        <label class="control-label" for="winners">Number of Winners</label>
                                        <div class="">
                                            <input id="winners"
                                                   value="<?= $_contest_beast_post_meta['number-winners'] ?>"
                                                   name="contest-beast[number-winners]" type="text" style=""
                                                   class="form-control input-md">
                                            <small style="">Enter the number of winners you want this contest to
                                                have.
                                            </small>
                                        </div>
                                    </div>
                                    <!-- Text input-->
                                    <div class="form-group">
                                        <label class="control-label" for="disclaimer">Disclaimer</label>
                                        <div class="">
                                            <textarea id="disclaimer" name="contest-beast[contest-disclaimer]"
                                                      rows="7" placeholder="Description"
                                                      class="form-control"><?= $_contest_beast_post_meta['contest-disclaimer'] ?></textarea>
                                            <small style="">Enter a short contest disclaimer. It will be displayed
                                                in a semi-prominent position on the contest page.
                                            </small>
                                        </div>
                                    </div>
                                    <!-- Text input-->

at last i want a new field in backend for entering value of contest and in frontend i want it to show both value amd number of winners