There are more story books than science books (3/4), and the number of story books is science books, and there are fewer science books than story books ((())/(())).
故事书比科技书多(3/4)，故事书是科技书的多少，科技书比故事书少((())/(()))．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 + (3/4)</gadget>
<output>7/4 = around 1.75</output>

<result>7/4 = around 1.75</result>