(5/9) of a number is (3/5), what is this number?
一个数的(5/9)是(3/5)，这个数是多少？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(3/5) / (5/9)</gadget>
<output>27/25 = around 1.08</output>

<result>27/25 = around 1.08</result>