80% of apple trees are as many as 76% of pear trees, how much less are apple trees than pear trees
苹果树棵树的80%和梨树棵树的76%一样多，则苹果树的棵树比梨树少多少
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">76 / 100</gadget>
<output>19/25 = around 0.76</output>

<gadget id="calculator">(4/5) / (19/25)</gadget>
<output>20/19 = around 1.052632</output>

<gadget id="calculator">1 * (20/19)</gadget>
<output>20/19 = around 1.052632</output>

<gadget id="calculator">(20/19) - 1</gadget>
<output>1/19 = around 0.052632</output>

<gadget id="calculator">(1/19) / (20/19)</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>