Xiaoxiao's mother bought a 3kg fish at the supermarket, gave the salesperson 50 yuan, and got back 17.6 yuan. What is the unit price of the fish?
笑笑的妈妈到超市买了一条3千克的鱼，给售货员50元，找回17.6元，则鱼的单价是多少？
<gadget id="calculator">50 - 17.6</gadget>
<output>32.4</output>

<gadget id="calculator">32.4 / 3</gadget>
<output>10.8</output>

<result>10.8</result>