A pile of coal is transported away (5/8), and there are 24 tons left, how many tons are transported away.
一堆煤，运走了(5/8)，还剩下24吨，则运走了多少吨．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">24 / (3/8)</gadget>
<output>64</output>

<gadget id="calculator">64 - 24</gadget>
<output>40</output>

<result>40</result>