It takes 1.2 minutes for Xiao Ming to walk from the first floor to the fourth floor. How much time does it take to walk from the first floor to the eighth floor at the same speed?
小明从一楼走到四楼要用1.2分钟，用同样的速度从一楼走到八楼，需要多少时间？
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">1.2 / 3</gadget>
<output>0.4</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">0.4 * 7</gadget>
<output>2.8</output>

<result>2.8</result>