The school planted trees, completed the plan on the first day (3/8), completed the plan on the second day (5/12), planted 55 trees on the third day, and the result exceeded the plan (1/4), how many trees did the school plan to plant tree?
学校植树，第一天完成了计划的(3/8)，第二天完成了计划的(5/12)，第三天植树55棵，结果超过计划的(1/4)，学校计划植树多少棵？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(1/4) - (3/8) - (5/12)</gadget>
<output>-13/24 = around -0.541667</output>

<gadget id="calculator">1 + (-13/24)</gadget>
<output>11/24 = around 0.458333</output>

<gadget id="calculator">55 / (11/24)</gadget>
<output>120</output>

<result>120</result>