Add product of two distributions #515

# to view logs

Run time

Learn about OS # on GitHub Actions

Job	Run time
Wait for wheel	1m 10s
Coverage	1m 47s
Latest (ubuntu-latest, 3.8)	1m 14s
Latest (ubuntu-latest, 3.9)	1m 15s
Latest (ubuntu-latest, 3.10)	1m 16s
Latest (ubuntu-latest, 3.11)	1m 18s
Latest (ubuntu-latest, 3.12)	1m 17s
Latest (macos-latest, 3.8)	1m 14s
Latest (macos-latest, 3.9)	59s
Latest (macos-latest, 3.10)	56s
Latest (macos-latest, 3.11)	54s
Latest (macos-latest, 3.12)	58s
Latest (windows-latest, 3.8)	2m 27s
Latest (windows-latest, 3.9)	2m 14s
Latest (windows-latest, 3.10)	2m 24s
Latest (windows-latest, 3.11)	2m 10s
Latest (windows-latest, 3.12)	2m 8s
	25m 41s