The fifth grade students of a certain elementary school planted 240 trees, 20% more than the sixth grade students. How many trees were planted in the fifth and sixth grades?
某小学五年级学生植树240棵，比六年级多植20%，五六年级共植树多少棵？
<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">240 / (6/5)</gadget>
<output>200</output>

<gadget id="calculator">200 + 240</gadget>
<output>440</output>

<result>440</result>