Gardeners plant trees along both sides of the road at intervals of 6 meters. A total of 52 trees are planted. What is the distance in meters from the first tree to the last tree?
园林工人沿公路两侧植树，每隔6米种一棵，一共种了52棵，从第一棵到最后一棵的距离是多少米．
<gadget id="calculator">52 / 2</gadget>
<output>26</output>

<gadget id="calculator">26 - 1</gadget>
<output>25</output>

<gadget id="calculator">25 * 6</gadget>
<output>150</output>

<result>150</result>