How to include the blade file in to another blade file modal popup using Laravel

I developed the one product details blade file and I want to include another blade file inside the product details page modal popup and this blade file doesn't have a different layout. and I included the second blade file controllers in the product details page controller. Please help me with how to include this blade file.

I upload the file two files into GitHub

product detail page main blade The calculator file is included blade file

https://github.com/Jerad30/new-project

via Chebli Mohamed