Two trees are 120 meters apart, and 23 trees are added equidistantly in the middle. How many meters is the distance between the first tree and the twentieth tree?
两棵树相距120米，在中间等距离增加23棵，第一棵与第二十棵相距多少米？
<gadget id="calculator">23 + 1</gadget>
<output>24</output>

<gadget id="calculator">120 / 24</gadget>
<output>5</output>

<gadget id="calculator">20 - 1</gadget>
<output>19</output>

<gadget id="calculator">5 * 19</gadget>
<output>95</output>

<result>95</result>