Someone asked: what date is it today? He replied: The ratio of the sum of the numbers of today, yesterday and tomorrow to the number of yesterday is 25:8. May I ask what the date is today?
有人问：今日是几号？回答说：今日、昨日和明日这三日的号数之和与昨日号数的比是25：8．请问这日究竟是多少号．
<gadget id="calculator">25 / 8</gadget>
<output>25/8 = around 3.125</output>

<gadget id="calculator">(25/8) - 3</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(25/8) / (1/8)</gadget>
<output>25</output>

<result>25</result>