There are 80 apple trees in the orchard, which is 1/4 more than pear trees. How many pear trees are there?
果园里有苹果树有80棵，比梨树多(1/4)，有梨树多少棵？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">80 / (5/4)</gadget>
<output>64</output>

<result>64</result>