There are 16 steps to go up each floor. Qiqi has 64 steps to go home. Which floor does Qiqi live on?
每上一层楼要走16个台阶，齐齐走到家里一共有64个台阶，齐齐家住几楼？
<gadget id="calculator">64 / 16</gadget>
<output>4</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<result>5</result>