If the former term of a ratio is (1/2) and the latter term is (2/3), what is the ratio?
一个比的前项是(1/2)，后项是(2/3)，则比值是多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/2) / (2/3)</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>