A pile of sand, (1/5) of it is transported away, exactly 24 tons, how many tons is this pile of sand?
一堆沙，运走了它的(1/5)，正好是运走24吨，这堆沙有多少吨．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">24 / (1/5)</gadget>
<output>120</output>

<result>120</result>