Help customizing WP product page... 5$reward

Hi,
I have a wordpress site and the products page is not as I want.

I think the template uses 4 colums: 2 of them are for images and the rest for content.
This means that the content is only using half of the screen.

I would like that the top part of the content would take 2 colums paralell to the images and then the description of the content would be in a row below to take the 4 columns.

I guess it's easy for someone who knows.

My idea would be to create a child theme and change this file only.

Would 5$ be enough?

Regards.

you better you use wp child theme plugin and customize pages with Beaver Builder