top is 60 yuan, and the money from the little red belt can just buy 15 tops or 9 dresses. How much is each dress?
一件上衣60元，小红带的钱正好能买上衣15件或者连衣裙9条．连衣裙每条多少钱？
<gadget id="calculator">15 / 9</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">60 * (5/3)</gadget>
<output>100</output>

<result>100</result>