Xinhua Cinema has two ticket prices, A ticket is 11.5 yuan per person, and B ticket is 8.5 yuan per person. There are 400 seats for each of the two ticket prices. If the audience is full, how much is the income per show?
新华电影院有两种票价，甲票每人11.5元，乙票每人8.5元，两种票价的座位各有400个，如果全场满座，每场收入多少元？
<gadget id="calculator">11.5 + 8.5</gadget>
<output>20</output>

<gadget id="calculator">20 * 400</gadget>
<output>8_000</output>

<result>8_000</result>