There are 60 poplars in the campus, the willows are poplars (9/10), the willows are pagodas (2/3), how many pagodas are there?
校园里有杨树60棵，柳树是杨树的(9/10)，柳树是槐树的(2/3)，槐树有多少棵？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(9/10) / (2/3)</gadget>
<output>27/20 = around 1.35</output>

<gadget id="calculator">60 * (27/20)</gadget>
<output>81</output>

<result>81</result>