The website suggested that replacing all of the furnishings in your apartment would cost X amount.
The website most likely assessed numerous aspects such as the overall number of products, their current market value, depreciation, and any additional replacement prices to provide a full explanation.
The website developed an estimate of X amount, which indicates the overall cost to replace all of the objects in your apartment, by taking these criteria into account and utilizing an algorithm or database.
This estimate can help you comprehend the financial impact of a probable loss and may be beneficial for insurance purposes.