On Arbor Day, the fifth graders of Chengxi Primary School planted 86 trees, the number of sixth graders planted 8 trees more than double the number of fifth graders, and how many trees were planted by sixth graders?
在植树节这一天，城西小学五年级同学植树86棵，六年级比五年级植树棵数的2倍多8棵，六年级植树多少棵？
<gadget id="calculator">86 * 2</gadget>
<output>172</output>

<gadget id="calculator">172 + 8</gadget>
<output>180</output>

<result>180</result>