The Oriental Cinema has 16 rows of seats, each with 22 seats. After the expansion, there are 4 more rows of seats, each with 8 seats. How many audiences can it accommodate in total after the expansion?
东方电影院有座位16排，每排22个座位，扩建后的座位增加了4排，每排增加8个，扩建后一共能容纳多少观众？
<gadget id="calculator">16 + 4</gadget>
<output>20</output>

<gadget id="calculator">22 + 8</gadget>
<output>30</output>

<gadget id="calculator">20 * 30</gadget>
<output>600</output>

<result>600</result>