There are 240 apple trees in the orchard, and there are fewer pear trees (1/4) than apple trees. How many pear trees are there?
果园里有苹果树240棵，梨树比苹果树少(1/4)，梨树有多少棵？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">240 * (3/4)</gadget>
<output>180</output>

<result>180</result>