The school brought 36 saplings. Lele and Huanhuan competed to plant them. Lele took some saplings first. Grab 6 trees from Huanhuan. At this time, Lele takes twice as many trees as Huanhuan. Question: How many saplings did Lele take at first?
学校运来36棵树苗，乐乐与欢欢两人争着去栽，乐乐先拿了若干树苗，欢欢看到乐乐拿得太多，就抢了10棵，乐乐不肯，又从欢欢那里抢回来6棵，这时乐乐拿的棵数是欢欢的2倍．问：最初乐乐拿了多少棵树苗？
<gadget id="calculator">36 / 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">10 - 6</gadget>
<output>4</output>

<gadget id="calculator">24 + 4</gadget>
<output>28</output>

<result>28</result>