There are two piles of coal, the weight of the first pile is the second pile (4/5), after the first pile is removed (1/4), there are 24 tons left, the second pile of coal is removed (1/4) , how many tons were transported?
有两堆煤，第一堆的重量是第二堆的(4/5)，第一堆运走了(1/4)后，还剩24吨，第二堆煤运走(1/4)，运走了多少吨？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">24 / (3/4) / (4/5)</gadget>
<output>40</output>

<gadget id="calculator">40 * (1/4)</gadget>
<output>10</output>

<result>10</result>