There is a quadrilateral square, and its four sides are 60 meters, 72 meters, 96 meters, and 84 meters respectively. Now we want to plant trees on the four sides. If the distance between every two trees on the four sides is equal, how many trees should be planted at least.
有一个四边形的广场，它的四边长分别是60米，72米，96米，84米．现在要在四边种上树，如果四边上每两棵树的间隔距离都相等，至少要种多少棵树．
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<gadget id="calculator">72 / 12</gadget>
<output>6</output>

<gadget id="calculator">96 / 12</gadget>
<output>8</output>

<gadget id="calculator">84 / 12</gadget>
<output>7</output>

<gadget id="calculator">5 + 6 + 8 + 7</gadget>
<output>26</output>

<result>26</result>