There are 300 apple trees in the orchard, 20% more than orange trees. How many orange trees are there?
果园里有苹果树300棵，比桔树多20%，桔树有多少棵？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">300 / (6/5)</gadget>
<output>250</output>

<result>250</result>