In the campus of Xinxin Primary School, the number of poplar trees planted is three times that of pagoda trees, and the number of pagoda trees planted is four times that of pine trees. There are 36 pagoda trees. , How many pine trees are there?
在新新小学的校园里，种的杨树棵数是槐树棵数的3倍，种的槐树的棵数是松树棵数的4倍，槐树有36棵，问杨树、槐树、松树共有多少棵？
<gadget id="calculator">36 * 3</gadget>
<output>108</output>

<gadget id="calculator">36 / 4</gadget>
<output>9</output>

<gadget id="calculator">36 + 108 + 9</gadget>
<output>153</output>

<result>153</result>