It takes 1.6 minutes for Xiaohua to walk from the 1st floor to the 5th floor. How many minutes will it take for him to walk to the 12th floor at the same speed?
小华从1楼走到5楼要1.6分钟，他用同样的速度走到12楼，还要多少分钟？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">1.6 / 4</gadget>
<output>0.4</output>

<gadget id="calculator">12 - 1</gadget>
<output>11</output>

<gadget id="calculator">0.4 * 11</gadget>
<output>4.4</output>

<gadget id="calculator">4.4 - 1.6</gadget>
<output>2.8</output>

<result>2.8</result>