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

<result>500</result>