There are 30 storybooks, the comics are from the storybooks (5/6), how many comics are there
有30本故事书，连环画是故事书的(5/6)，连环画有多少
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

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

<result>25</result>