如何增加价值而不是。 赠品页面中的获奖者字段？

Question

<!-- 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