The West Road of the First Ring Road in Yutan Town has a total length of 1.8 kilometers. It has been completed and opened to traffic. It is being greened along the line. According to the design of the landscape architect, a camphor tree is planted every 30 meters, and a magnolia tree is planted every 20 meters. How many trees are planted on both sides of the line? tree?
玉潭镇一环西路全长1.8千米，已建成通车，正在沿线绿化，园林师设计，每隔30米栽一棵香樟，每隔20米栽一棵玉兰，沿线两边共栽树多少棵？
<gadget id="calculator">1_000 / 30</gadget>
<output>100/3 = around 33.333333</output>

<gadget id="calculator">1.8 * (100/3)</gadget>
<output>60</output>

<gadget id="calculator">1_000 / 20</gadget>
<output>50</output>

<gadget id="calculator">1.8 * 50</gadget>
<output>90</output>

<gadget id="calculator">1_000 / 60</gadget>
<output>50/3 = around 16.666667</output>

<gadget id="calculator">1.8 * (50/3)</gadget>
<output>30</output>

<gadget id="calculator">90 - 30</gadget>
<output>60</output>

<gadget id="calculator">60 + 60 + 1</gadget>
<output>121</output>

<gadget id="calculator">121 * 2</gadget>
<output>242</output>

<result>242</result>