The school bought 2 bundles of saplings, 20 in each bundle, and distributed these saplings to the middle and senior students at a ratio of 3:5. How many saplings did the senior students plant?
学校买来2捆树苗，每捆20棵，把这些树苗按3：5分给中、高年级同学栽种，高年级同学栽种树苗多少棵？
<gadget id="calculator">20 * 2</gadget>
<output>40</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">40 * (5/8)</gadget>
<output>25</output>

<result>25</result>