Packaging Android I choose arm64 and armv7 to generate two apks. How can I generate only one apk and support both 32-bit and 64-bit Android

Packaging Android I choose arm64 and armv7 to generate two apks. How can I generate only one apk and support both 32-bit and 64-bit Android.
I read this, but I don’t post it on Google. Cannot upload two separately.