There are 36 people in the science and technology group of the experimental primary school, the number of people in the art group is the technology group (8/9), the number of people in the sports group is the art group (5/8), how many people are there in the sports group?
实验小学科技组有36人，美术组人数是科技组的(8/9)，体育组人数是美术组的(5/8)，体育组有多少人？
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">36 * (8/9) * (5/8)</gadget>
<output>20</output>

<result>20</result>