The number of days in the first quarter of 2008 as a percentage of the whole year (expressed in fractions).
2008年第一季度的天数占全年的多少(用分数表示)．
<gadget id="calculator">31 + 29 + 31</gadget>
<output>91</output>

<gadget id="calculator">91 / 366</gadget>
<output>91/366 = around 0.248634</output>

<result>91/366 = around 0.248634</result>