There are twice as many peach trees as there are pear trees in the orchard, and there are 111 more apple trees than peach trees. There are 147 apple trees. How many trees are there in total?
果园里桃树的棵树是梨树的2倍，苹果树比桃树多了111棵．苹果树有147棵，三种树共有多少棵．
<gadget id="calculator">147 - 111</gadget>
<output>36</output>

<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<gadget id="calculator">147 + 36 + 18</gadget>
<output>201</output>

<result>201</result>