There are 5 classmates together, and Xiaoliang's age is not the youngest. So what is the possibility of Xiaoliang's age being the greatest.
有5个同学在一起，小亮的年龄不是最小的．那么小亮年龄最大的可能性是多少．
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>