There are 56 willow trees planted along the pond. If two peach trees are planted between two adjacent willow trees, how many trees are there in total?
沿着池塘的一周种了56棵柳树，如果在相邻的两棵柳树中间种2棵桃树，问一共有多少棵树．
<gadget id="calculator">56 * 2</gadget>
<output>112</output>

<gadget id="calculator">112 + 56</gadget>
<output>168</output>

<result>168</result>