The school transported 720 saplings and distributed them to the three classes of the sixth grade for planting. Class A planted 37.5% of the saplings, and the remaining saplings were distributed to Classes B and C for planting at a ratio of 4:5. How many trees did Class C plant?
学校运来720棵树苗，分给六年级三个班栽种，甲班栽了这批树苗的37.5%，剩下的树苗按4：5分配给乙、丙两个班栽种．丙班栽种了多少棵？
<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>

<gadget id="calculator">1 - 0.375</gadget>
<output>0.625</output>

<gadget id="calculator">720 * 0.625</gadget>
<output>450</output>

<gadget id="calculator">4 + 5</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">450 * (5/9)</gadget>
<output>250</output>

<result>250</result>