When X=how much, the ratio of (3/5):X is the smallest prime number.
当X=多少时，(3/5)：X的比值是最小的质数．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 2</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>