The school brought 400 saplings, the teacher planted 10%, and the rest were distributed to three classes A, B, and C according to the ratio of 3:4:5. How many saplings will be assigned to class C?
学校运来400棵树苗，老师栽了10%，剩下的按3：4：5分配给甲、乙、丙三个班级，则丙班分到多少棵？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">400 * (9/10)</gadget>
<output>360</output>

<gadget id="calculator">3 + 4 + 5</gadget>
<output>12</output>

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

<gadget id="calculator">360 * (5/12)</gadget>
<output>150</output>

<result>150</result>