how to move the specification part to the right side of the product gallery

Hi HARSLE,

Thanks for reaching to us and take our apologies for the long delay in answering.

This demo using Custom WooCommerce Builder layouts, , which is part of WooCommerce builder from WoodMart. With this, you can place widgets any positions you want https://prnt.sc/AzTrNlv2BOKE

Here below are the documentation articles:
https://xtemos.com/docs-topic/woodmart-woocommerce-layout-builder/
https://xtemos.com/docs-topic/single-product-page-builder/

Regards,