A coat is 540 yuan. You can buy 3 sweaters for the price of one coat. How much is a sweater?
一件大衣540元，买一件大衣的钱可以买3件毛衣，一件毛衣多少钱？
<gadget id="calculator">540 / 3</gadget>
<output>180</output>

<result>180</result>