Sixth grade students planted trees, Class 61 planted 1/6 of the total number, Class 62 planted 120 trees, the ratio of the number of trees planted by Class 61 was 3:2. How many trees did the sixth graders plant in total?
六年级同学栽树，六1班栽了总数的(1/6)，六2班栽了120棵，与六1班栽的棵数比为3：2．六年级同学一共栽树多少棵？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(2/3) / (1/6)</gadget>
<output>4</output>

<gadget id="calculator">120 * 4</gadget>
<output>480</output>

<result>480</result>