Aunt Wang bought 4 scarves, paid 300 yuan, and got back 12 yuan. How much is each scarf on average?
王阿姨买了4条围巾，付出300元，找回12元，平均每条围巾多少元？
<gadget id="calculator">300 - 12</gadget>
<output>288</output>

<gadget id="calculator">288 / 4</gadget>
<output>72</output>

<result>72</result>