There are 30 storybooks, there are more storybooks than comic strips (1/5), how many comic strips are there?
故事书有30本，故事书比连环画多(1/5)，连环画有多少本．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">30 / (6/5)</gadget>
<output>25</output>

<result>25</result>