A cartoon film is 960 meters long, and 120 meters are shown in 4 minutes. At this speed, how many minutes will it take to finish playing this cartoon?
一部动画片的胶片长960米，4分钟放映了120米，照这样的速度，放完这部动画片，共需要多少分钟？
<gadget id="calculator">120 / 4</gadget>
<output>30</output>

<gadget id="calculator">960 / 30</gadget>
<output>32</output>

<result>32</result>