Separate Quantity Lines for Product Variations?

Does anyone know of a way to present a product with independent/separate quantity fields for the different variations of a product?

For example, I want to sell a product that comes in packs of 8, 15, and 25.

If I set up a variable product, I can create an attribute for “pack size” and have a value for “pack of 8,” “pack of 15,” and “pack of 25.”

However, on the product page, the customers must first select one pack size from a drop-down and then select the quality for that pack size to add to their carts.

Instead, I’d like to find a way to present the product variations this way:

Qty Pack Size
[ ] Pack of 8
[ ] Pack of 15
[ ] Pack of 25

That way, a customer could order 1 pack of 8 and 1 pack of 15 easily & quickly (without having to change the variation through the less-than-intuitive drop-down).

Thanks!

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