There are 240 apple trees in the orchard, and there are more apple trees than pear trees (2/3). How many pear trees are there?
果园里有苹果树240棵，苹果树比梨树多(2/3)．梨树有多少棵？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">240 / (5/3)</gadget>
<output>144</output>

<result>144</result>