According to the survey, there are 20 people in this class who regard Yao Ming as their idol, and there are more (1/4) people who regard Liu Xiang as their sports idol than Yao Ming. How many people regard Liu Xiang as their sports idol?
据调查，本班以姚明为偶像的由20人，以刘翔为体育偶像的比姚明多(1/4)，以刘翔为体育偶像的有多少人．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">20 * (5/4)</gadget>
<output>25</output>

<result>25</result>