What is 30% of (5/3).
(5/3)的30%是多少．
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(5/3) * (3/10)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>