There is an approximately parallelogram-shaped orchard with a base of 60 meters and a height of 30 meters. If each fruit tree covers an area of 9 square meters, how many fruit trees can be planted in this orchard.
有一块近似平行四边形果园，底是60米，高是30米，如果每棵果树的占地面积是9平方米，这个果园一共可以栽果树多少棵．
<gadget id="calculator">30 / 9</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">60 * (10/3)</gadget>
<output>200</output>

<result>200</result>