The classmates kicked shuttlecocks, Xiaohong kicked 18, Xiaolan kicked Xiaohong (5/9), and at the same time Xiaohua kicked (2/5), how many did Xiaohua kick?
同学们踢毽子，小红踢了18个，小兰踢的是小红踢的(5/9)，同时又是小华踢的(2/5)，小华踢了多少个？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

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

<gadget id="calculator">(5/9) / (2/5)</gadget>
<output>25/18 = around 1.388889</output>

<gadget id="calculator">18 * (25/18)</gadget>
<output>25</output>

<result>25</result>