Positioning G html shortcode

I would like to put a G + at some point but I do not know how to insert html shortcode.
The code should look something like this
<div class=’wdgpo wdgpo_medium_nocount’><g:plusone size=’medium’ count=’true’ >…</g:plusone></div>

https://ww.wp.xz.cn/plugins/sz-google/