The movie theater used to show 3 movies a day, but now it shows 1 more movie a day, with an average of 150 tickets sold for each movie, and the price of each ticket is 20 yuan. How much is the daily income now?
电影院原来每天放映3场电影，现在每天多放映1场，平均每场售票150张，每张票价是20元，现在每天可收入多少元．
<gadget id="calculator">3_000 * 4</gadget>
<output>12_000</output>

<result>12_000</result>