Xiaomei is 9 years old this year. She travels with her father and mother during the summer vacation. A bus ticket costs 60.6 yuan, half-ticket for children. How much does it cost for a round trip?
小梅今年9岁，暑期与爸爸、妈妈一同去旅游，一张车票要60.6元，儿童半票，往返一共要用多少元？
<gadget id="calculator">60.6 / 2</gadget>
<output>30.3</output>

<gadget id="calculator">60.6 * 2</gadget>
<output>121.2</output>

<gadget id="calculator">30.3 + 121.2</gadget>
<output>151.5</output>

<gadget id="calculator">151.5 * 2</gadget>
<output>303</output>

<result>303</result>