A pile of coal has used up 20.96 tons, and the rest is 25% of the used amount. How many tons does this pile of coal weigh?
一堆煤用去了20.96吨，余下的是用去的25%．这一堆煤共重多少吨？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20.96 * (1/4)</gadget>
<output>5.24</output>

<gadget id="calculator">5.24 + 20.96</gadget>
<output>26.2</output>

<result>26.2</result>