If a granary shipped out 1/5 of the grain on the first day, it shipped 20 tons more on the second day than on the first day, and the ratio of the shipped out to the rest was 11:14. How many tons of grain does this granary have in total?
一个粮仓第一天运出粮食的(1/5)，第二天比第一天多运出20吨，运出的与剩下的比为11：14，这个粮仓共有粮食多少吨？
<gadget id="calculator">11 + 14</gadget>
<output>25</output>

<gadget id="calculator">11 / 25</gadget>
<output>11/25 = around 0.44</output>

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

<gadget id="calculator">(11/25) - (1/5) - (1/5)</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">20 / (1/25)</gadget>
<output>500</output>

<result>500</result>