The sunshine time of city A is more than that of city B (1/2), how much sunshine time of city A is that of city B.
A城的日照时间比B城多(1/2)，A城的日照时间是B城的多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) / 1</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>