There are two granaries, A and B. Originally, the quantity of grain stored in warehouse B is less than that of warehouse A (1/5). Now, after putting 1/4 of the grain stored in warehouse A into warehouse B, 30 tons are transported out of warehouse B. At this time, the two The amount of grain stored in each granary is the same, how many tons of grain was originally stored in a granary?
甲乙两个粮仓，原来乙仓存粮数量比甲仓少(1/5)，现在把甲仓存粮的(1/4)放进乙仓后，再从乙仓中运出30吨，这时两个粮仓存粮数量相同，求甲仓原来存粮多少吨？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">(1/4) - (1/5) - 1</gadget>
<output>-19/20 = around -0.95</output>

<gadget id="calculator">1 + (1/4) + (-19/20)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">30 / (3/10)</gadget>
<output>100</output>

<result>100</result>