A tree is 6 meters high, another tree is 2 meters high, and the distance between the two trees is 5 meters. If a bird flies from the 6-meter tree to the top of the other tree, how many meters must it fly?
一棵树高6米，另一颗树高2米，两树相距5米，一只小鸟从6米的树飞向另一个树顶，至少需飞多少米．
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">25 + 16</gadget>
<output>41</output>

<result>41</result>