Expressed in the simplest fraction: 1 hour and 15 minutes = how many hours.
用最简分数表示：1小时15分钟=多少小时．
<gadget id="calculator">15 / 60</gadget>
<output>1/4 = around 0.25</output>

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

<result>5/4 = around 1.25</result>