What is (1/5) of (1/4) of 5?
5的(1/4)是多少的(1/5)．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">5 * (5/4)</gadget>
<output>25/4 = around 6.25</output>

<result>25/4 = around 6.25</result>