The Little Star Cinema has 765 seats in total, and the price of each movie ticket is 15 yuan. There are two movies showing today. (Each movie is full.) Each movie has 50 movie tickets as a gift for the children, and the rest are sold out. How much does this movie theater earn today?
小星星电影院一共有765个座位，每张电影票的价钱是15元．今天一共放映两场电影，(每场人都满)每场电影都有50张电影票作为礼物送给小朋友，其余都卖完了，这个电影院今天收入多少元？
<gadget id="calculator">765 - 50</gadget>
<output>715</output>

<gadget id="calculator">15 * 715 * 2</gadget>
<output>21_450</output>

<result>21_450</result>