How many times is the reciprocal of (4/5) the reciprocal of 4?
(4/5)的倒数是4的倒数的多少倍．
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<result>5</result>