Xiaohong's family lives on the 9th floor. It takes 60 seconds for her to walk from the first floor to the fourth floor. How many seconds does it take for her to walk from the first floor to her home at the same speed?
小红家住在9楼，她从一楼到四楼要走60秒，她用同样的速度从一楼到家要走多少秒．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">60 / 3</gadget>
<output>20</output>

<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">20 * 8</gadget>
<output>160</output>

<result>160</result>