The school bought 360 books, among which (1/3) was distributed to the lower grades, and the rest were distributed to the middle and senior grades at a ratio of 3:5. How many books were distributed to the senior grades?
学校买来360本图书，其中(1/3)分给低年级，余下的按3：5分给中、高年级，高年级分到多少本？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">120 * (2/3)</gadget>
<output>80</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">80 * (5/8)</gadget>
<output>50</output>

<result>50</result>