The playground occupies (1/4) of the school area, the green area is (2/3) of the playground, and the green area is ((())/(())) of the school area.
操场占学校面积的(1/4)，绿化面积是操场的(2/3)，绿化面积是学校面积的((())/(()))．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">(1/4) * (2/3)</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>