The volunteer service team delivers newspapers to the disabled elderly in the community. Pony is in charge of an elderly person who lives on the 7th floor. It takes 14 seconds to walk up and down each floor.
志愿者服务队为社区里行动不便的老人送报纸，小马负责一位住在7楼的老人，每上或下一层楼都要走14秒，那么小马上下来回一次共要多少秒．
<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">14 * 12</gadget>
<output>168</output>

<result>168</result>