There are 38 pine trees in the school, 23 more poplar trees than pine trees, and the number of willow trees is twice the total number of pine and poplar trees. How many willow trees are there?
学校里有松树38棵，杨树比松树多23棵，柳树的棵树是松树和杨树总棵树的2倍．柳树有多少棵？
<gadget id="calculator">38 + 23 + 38</gadget>
<output>99</output>

<gadget id="calculator">99 * 2</gadget>
<output>198</output>

<result>198</result>