Hi there!
I understand your requirements that you wanted to show the total ordered on the product page. Yes, I am fine with the requirements. I will do fix it by following the stand code of PrestaShop guide line. I have over 8 years experience on Prestashop only. I know how write best code.
Please have a look my portfolio and feedback from my previous clients:
https://www.freelancer.com/u/ranjudhk
==========Why Should Hire Me==========
1) I have proven experience, As proof, I can mention that I have already developed many of modules for PrestaShop.
2) All my previous client gave 5.0/ 5.0 rating,
3) You will get after-sale support from me for a certain period.
4) You find me on messengers for quick communication when you need
5) I will provide you well documentation what I do, for you better understand and future track
Please invite me to chat box for more details on your project like-time, quote, etc.
I am waiting for your quick response.
Kind Regards,
Ranju