For a pile of stones, 1/5 of it is used for the first time, and 24 tons more stones are used for the second time than the first time, and 544 tons of stones are used for the two times. How many tons are there in this pile of stones?
一堆石子，第一次用去它的(1/5)，第二次用去的石子比第一多24吨，两次共用去石子544吨，这堆石子共有多少吨？
<gadget id="calculator">544 - 24</gadget>
<output>520</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) + (1/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">520 / (2/5)</gadget>
<output>1_300</output>

<result>1_300</result>