A certain theater can seat 870 people, and the ticket price of a movie is 70 yuan. How much is the box office revenue of this movie?
某剧场能坐870人，一场电影的票价是70元，这场电影的票房收入是多少元？
<gadget id="calculator">70 * 870</gadget>
<output>60_900</output>

<result>60_900</result>