(5/8) of a number is (1/2), what is this number?
一个数的(5/8)是(1/2)，这个数是多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(1/2) / (5/8)</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>