(2/5) of the weight of the apple is 25% less than the weight of the pear, and the weight of the apple is the weight of the pear.
苹果重量的(2/5)比梨的重量少25%，苹果重量是梨重量的多少．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/4) / (2/5)</gadget>
<output>15/8 = around 1.875</output>

<result>15/8 = around 1.875</result>