(2/5) A bucket of water weighs 15 kilograms, how much does a bucket of water weigh in kilograms?
(2/5)桶水重15千克，一桶水重多少千克．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">15 / (2/5)</gadget>
<output>75/2 = around 37.5</output>

<result>75/2 = around 37.5</result>