The perimeter of the track and field field of the Experimental Primary School is 200 meters. If a willow tree is planted every 5 meters, how many saplings are needed?
实验小学的田径场周长是200米，每隔5米栽种一棵柳树，需要树苗多少株？
<gadget id="calculator">200 / 5</gadget>
<output>40</output>

<result>40</result>