Students in three classes in the sixth grade planted trees. The number of trees planted in class six ① accounted for 40% of the total number of trees. The ratio of the number of trees planted in class six ② to class six ③ was 2:3. Class six ① planted 48 more trees than class six ② , How many trees are planted in Class 3?
六年级三个班级同学植树，六①班植树棵数占总棵数的40%，六②班和六③班植树棵数的比是2：3，六①班比六②班多植树48棵，六③班植树多少棵？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) * (2/5)</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">(2/5) - (6/25)</gadget>
<output>4/25 = around 0.16</output>

<gadget id="calculator">48 / (4/25)</gadget>
<output>300</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) * (3/5)</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">300 * (9/25)</gadget>
<output>108</output>

<result>108</result>