In 1.95, 2.10, 1.88, 2.05, how much is the median.
在1.95,2.10,1.88,2.05中，多少是中位数．
<gadget id="calculator">1.95 + 2.05</gadget>
<output>4</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<result>2</result>