The students went to the park for an autumn outing. There were 8 people playing on the seesaw, 4 more people on the swing than on the seesaw, and 3 times as many people on the slide as on the swing. How many people are on the slide?
同学们去公园秋游，玩跷板的有8人，荡秋千的人比玩跷板的多4人，滑滑梯的人数是荡秋千人数的3倍．滑滑梯的有多少人？
<gadget id="calculator">8 + 4</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<result>36</result>