There are 18 steps to go up each floor of a residential building, and 54 steps to go to Yuan Yuan's house. On which floor does Yuan Yuan's house live?
住宅楼每上一层要走18个台阶，到圆圆家要走54个台阶，圆圆家住在几楼？
<gadget id="calculator">54 / 18</gadget>
<output>3</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<result>4</result>