(1/2) of a bucket of water is 20 kg. How many kilograms is this bucket of water?
一桶水的(1/2)是20千克．这桶水有多少千克？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">20 / (1/2)</gadget>
<output>40</output>

<result>40</result>