How to add Qty in add to cart form on Product Listings Page in Magento 2

On this form just add below code

<input type="number"
name="qty"
id="qty"
maxlength="12"
value="<?php /* @escapeNotVerified */ echo '1' ?>"
title="<?php /* @escapeNotVerified */ echo __('Qty') ?>" class="input-text qty" />

and check what is happen :)