(2/3) of a bag of white sugar weighs exactly 80 kilograms, how much is (1/4) of it in kilograms?
一包白糖的(2/3)正好重80千克，它的(1/4)是多少千克．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">80 / (2/3)</gadget>
<output>120</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">120 * (1/4)</gadget>
<output>30</output>

<result>30</result>