There are 60 students in a fifth grade class, among which (1/4) participate in basketball training, (1/3) participate in football training, and the rest participate in chess training. How many people participate in chess training?
五年级一班共有60人，其中(1/4)的人参加篮球训练，(1/3)的人参加足球训练，剩下的参加棋类训练．参加棋类训练的有多少人？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/4) - (1/3)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">60 * (5/12)</gadget>
<output>25</output>

<result>25</result>