In order to green the campus, the school bought three kinds of trees: willow, pagoda tree and plane tree, among which there are 27 willow trees. , How many plane trees are there?
学校为了绿化校园，买了柳树、槐树和梧桐树3种树，其中柳树27棵，槐树棵树是柳树棵树的(2/3)，又是梧桐树棵树的(3/4)，梧桐树有多少棵？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/3) / (3/4)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">27 * (8/9)</gadget>
<output>24</output>

<result>24</result>