On Arbor Day, Xiao Ming, Xiao Hong, Xiao Liang and Xiao Jun planted 120 trees in total. The trees planted by Xiao Ming were 1/2 of the total number of trees planted by other students. (1/3) of the total number of trees, and the trees planted by Xiaoliang are (1/4) of the total number of trees planted by other students. Do you know how many trees Xiaojun planted?
植树节那天，小明、小红、小亮和小军四位同学共种了120棵树，小明种的树是其他同学种树总数的(1/2)，小红种的树是其他同学种树总数的(1/3)，小亮种的树是其他同学种树总数的(1/4)，你知道小军同学种了多少棵树？
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/3) - (1/4) - (1/5)</gadget>
<output>13/60 = around 0.216667</output>

<gadget id="calculator">120 * (13/60)</gadget>
<output>26</output>

<result>26</result>