(3/5) of a number is (1/6) of 30, what is this number?
一个数的(3/5)是30的(1/6)，这个数是多少？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(1/6) / (3/5)</gadget>
<output>5/18 = around 0.277778</output>

<gadget id="calculator">30 * (5/18)</gadget>
<output>25/3 = around 8.333333</output>

<result>25/3 = around 8.333333</result>