Obviously it takes 26 seconds to go from the third floor to the fifth floor. Based on this calculation, how long will it take him to go from the second floor to the eighth floor?
明明从三楼到五楼需要26秒，照这样计算，他从二楼到八楼要用多少时间？
<gadget id="calculator">26 / 2</gadget>
<output>13</output>

<gadget id="calculator">8 - 2</gadget>
<output>6</output>

<gadget id="calculator">13 * 6</gadget>
<output>78</output>

<result>78</result>