The students planted trees on the "Arbor Day". A total of 200 pines and cypresses were planted on the hillside. It is known that the ratio of the number of pine trees to the number of cypress trees is 3:2, how many cypress trees are planted?
同学们在"植树节"植树，在山坡上一共栽了200棵松树和柏树．已知松树棵数与柏树棵数的比是3：2，柏树栽了多少棵？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">200 * (2/5)</gadget>
<output>80</output>

<result>80</result>