A piece of watermelon, Xiaogang ate (2/5) of it, and Xiaohong ate (1/6) of it. Xiaoli eats less than Xiaogang and more than Xiaohong, how much Xiaoli may eat.
一块西瓜，小刚吃了它的(2/5)，小红吃了它的(1/6)．小丽吃得比小刚少比小红多，小丽可能吃了多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / (1/6) / 30</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>