There are 71 people in the sports team of Dongguan Primary School, including 15 people in the basketball team. The number of track and field teams is 2.4 times that of the basketball team, and the rest are football players. How many people are there in the football team?
东关小学体育队有71人，其中篮球队有15人，田径队的人数是篮球队的2.4倍，其余的是足球队员．足球队有多少人？
<gadget id="calculator">15 * 2.4</gadget>
<output>36</output>

<gadget id="calculator">71 - 15 - 36</gadget>
<output>20</output>

<result>20</result>