How can I edit "Stock" and "Price" in a product?

These data are saved in the product template.

You create, edit, translate or delete the product templates under Tools & Administration > Design & Layout > Product Templates:
        <ul>
            <li>SKU: $partnumber</li>
            <li>Stock: $stock</li>
            <li>Price: $price</li>
        </ul>
        
Choose the template on which the product is based and edit it. ATTENTION: Depending on what you want to do, only edit the text (Price:) and not the placeholder ($price).

How can I edit
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