Sixth grade students in Xicheng Primary School planted 560 trees, and fifth graders planted fewer trees than sixth graders (2/7). How many trees were planted in fifth and sixth graders?
西城小学六年级学生植树560棵，五年级植的棵树比六年级少(2/7)，五，六年级一共植树多少棵？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 - (2/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">560 * (5/7)</gadget>
<output>400</output>

<gadget id="calculator">400 + 560</gadget>
<output>960</output>

<result>960</result>