There are 500 pear trees in the orchard, and the number of pear trees is 25% more than that of apricot trees. How many apricot trees are there in the orchard?
果园里有梨树500棵，梨树的棵数比杏树多25%，果园里有多少棵杏树？
<gadget id="calculator">25 / 100</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">500 / (5/4)</gadget>
<output>400</output>

<result>400</result>