There are 450 apple trees in the orchard, and the number of apricot trees is apple (3/5), and there are 10 more than the number of pear trees (5/6). How many pear trees are there in this orchard?
果园里有苹果树450棵，杏树的棵树是苹果的(3/5)，同时又比梨树棵数的(5/6)多10棵．这个果园里有梨树多少棵？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">450 * (3/5)</gadget>
<output>270</output>

<gadget id="calculator">270 - 10</gadget>
<output>260</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">260 / (5/6)</gadget>
<output>312</output>

<result>312</result>