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 5:4:3. How many saplings did Class C get?
学校运来400棵树苗，老师栽种了10%，余下的按5：4：3分配给甲、乙、丙三个班级，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">5 + 4 + 3</gadget>
<output>12</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">400 * (9/10) * (1/4)</gadget>
<output>90</output>

<result>90</result>