Divide a circle into 5 equal parts, 3 of which are the whole circle ((())/(())).
把一个圆平均分成5份，其中的3份是整个圆的((())/(()))．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>