Divide a fraction, use 2 once, use 3 twice, get (3/4), the original score is ((())/(())).
把一个分数约分，用2约了一次，用3约了两次，得(3/4)，原来这个分数是((())/(()))．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>