The movie theater has 870 seats, and each ticket is 8 yuan. If all the tickets for this movie are sold out, how much is the box office revenue for this movie?
电影剧场有870个座位，每张门票8元，如果这场电影票全部买完，这场的票房收入是多少元？
<gadget id="calculator">8 * 870</gadget>
<output>6_960</output>

<result>6_960</result>