There are 200 students from the school participating in the summer camp, the students in the lower grades account for 1/5 of the total number of students in the summer camp, and the ratio of the number of participants in the middle and upper grades is 2:3. How many people participated in the senior year?
学校有200人参加夏令营，低年级参加的学生占夏令营学生总数的(1/5)，中、高年级参加的人数之比为2：3．高年级参加了多少人？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">200 * (4/5) * (3/5)</gadget>
<output>96</output>

<result>96</result>