Calculator for selling tiles in Woocommerce Shop

Job ID: 31505394

Budget: €60 – €61 EUR

Hello Freelancer,
We have an online store where we sell tiles. All products and variants are created. But now we come to a problem:
If a customer needs e.g. 20m2 of a tile that is 120x120cm and in the box are 2m2 then I can not sell half boxes.

We have bought a plugin, but we can not operate or configure.
The plugin is this:
https://codecanyon.net/item/woocommerce-measurement-price-calculator-plugin/20515113

And the demo we need is this:
https://woodemos.extendons.com/pricingcalculator/?product=tiles-by-box-copy

However, we do not want the customer to specify how the length and width is, but that the customer directly says how many square meters he needs.

Here we need help
Related categories: PHP WordPress eCommerce HTML WooCommerce