Complex sentence: It gained a Nielsen rating of 10.7 and an audience share of 16, this means that 10.7% of American households watched the episode, and that 16% of all televisions in use at the time were tuned into it.
Split into simpler sentences: It gained a Nielsen rating of 10.7 and an audience share of 16. This means that 10.7% of American households watched the episode, and that 16% of all televisions in use at the time were tuned into it.