There are 396 peach trees in the orchard, which are 108 fewer than pear trees. How many peach trees and pear trees are there altogether?
果园里有桃树396棵，比梨树少108棵，桃树和梨树一共有多少棵？
<gadget id="calculator">396 + 108 + 396</gadget>
<output>900</output>

<result>900</result>