There are 421 pear trees in the orchard, 85 fewer than peach trees, and 10 fewer apple trees than peach trees. How many apple trees are there?
果园里有梨树421棵，比桃树少85棵，苹果树比桃树少10棵，苹果树有多少棵？
<gadget id="calculator">85 - 10</gadget>
<output>75</output>

<gadget id="calculator">421 + 75</gadget>
<output>496</output>

<result>496</result>