The post office, cinema and school are on the side of Guangming Avenue. The post office is 290 meters away from the school, and the movie theater is 450 meters away from the school. How many meters away is the post office from the movie theater?
邮局、电影院和学校在光明大道的一旁．邮局距学校290米，电影院距学校450米，邮局距电影院多少米？
<gadget id="calculator">450 + 290</gadget>
<output>740</output>

<result>740</result>