Xiaoqiao and her mother go out on a long-distance bus on weekends. If the one-way ticket for the bus costs 28.5 yuan, how much does it cost them?
小巧和妈妈双休日乘长途汽车外出游玩，如果汽车单程票需要28.5元一张，那么他们共需花多少车费？
<gadget id="calculator">28.5 * 2 * 2</gadget>
<output>114</output>

<result>114</result>