[Flutter] flutter gridview problem with aspect ratio on different devices

I want to have a fixed height container in gridview. I am using following code. It is showing different height on different devices. Is there any way to control the height in a way that it look same on all devices.

GridView.count(
shrinkWrap: true,
crossAxisCount: 2,
mainAxisSpacing: 0,
childAspectRatio:
MediaQuery.of(context).size.width /
(MediaQuery.of(context).size.height / 1),
crossAxisSpacing: 8,
children: _productData.map((opt) {
return _productCard(context, opt, cart);
}).toList(),
),

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