In extracurricular activities, there are 9 people who participate in rope skipping, among them are those who shoot the ball (3/5), and those who play beanbags (4/3). How many people are there who play beanbags?
在课外活动中，参加跳绳的有9人，是拍球的(3/5)，打沙包的是拍球的(4/3)，打沙包的有几人？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">9 / (3/5)</gadget>
<output>15</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">15 * (4/3)</gadget>
<output>20</output>

<result>20</result>