There are 300 peach trees in the orchard, 60 fewer than twice the number of pear trees. How many pear trees are there? (calculated by two methods)
果园有桃树300棵，比梨树的2倍少60棵，梨树有多少棵？(两种方法计算)
<gadget id="calculator">300 + 60</gadget>
<output>360</output>

<gadget id="calculator">360 / 2</gadget>
<output>180</output>

<result>180</result>