Wang Yulu's family lives in a 7-story building, and there are 12 steps between the two adjacent floors of this building. She lives on the fifth floor of this building. How many steps does she have to climb to get home from school?
王雨露家住在一幢7层楼里，这幢楼相邻两层间都有12级台阶．她就住在这幢楼的5楼．她放学回家要登多少级台阶．
<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>