There are 250 apple trees in the orchard, 32 more peach trees than apple trees, and 36 fewer pear trees than three times the peach trees. How many pear trees are there?
果园里有苹果树250棵，桃树比苹果树多32棵，梨树的棵数比桃树的3倍少36棵，梨树有多少棵？
<gadget id="calculator">250 + 32</gadget>
<output>282</output>

<gadget id="calculator">282 * 3</gadget>
<output>846</output>

<gadget id="calculator">846 - 36</gadget>
<output>810</output>

<result>810</result>