Shops, cinemas, and schools are in a straight line. The shop is 870 meters away from the school, and the cinema is 560 meters away from the school. How many meters is the shop from the cinema?
商店、电影院、学校在一条直线上，商店离学校870米，电影院离学校560米，那么商店离电影院多少米．
<gadget id="calculator">870 - 560</gadget>
<output>310</output>

<result>310</result>