Xiaoqing takes 8 seconds to go up one floor and 6 seconds to go down one floor. How many seconds did it take to go from the first floor to the sixth floor and then down to the first floor?
小青上一层楼用8秒钟，下一层楼用6秒钟．从一楼到6楼再下到一楼，共用了多少秒钟？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">8 * 5</gadget>
<output>40</output>

<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">40 + 30</gadget>
<output>70</output>

<result>70</result>