What is the mg of an Watson 820 pill?

A Watson 820 pill is a yellow, round pill. It's a generic form of Percodan which contains Oxycodone and Asprin, pretty much just like Percocet. The pill contains Oxycodone HCL 4.5mg/ Oxycodone Terephthalate 0.38 mg, and 325mg of Asprin.