There are 25 white rabbits and 30 gray rabbits. The number of gray rabbits is the number of white rabbits ((())/(())), and the number of gray rabbits is more than that of white rabbits.
白兔有25只，灰兔有30只．灰兔的只数是白兔的((())/(()))，灰兔的只数比白兔多多少．
<gadget id="calculator">30 - 25</gadget>
<output>5</output>

<gadget id="calculator">5 / 25</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>