It takes 36 seconds for Xiao Zhang to go from the 1st floor to the 5th floor. According to this calculation, how many seconds does it take him to go from the 2nd floor to the 7th floor?
小张从1楼上到5楼要36秒，照这样计算，他从2楼上到7楼要用多少秒？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">36 / 4</gadget>
<output>9</output>

<gadget id="calculator">7 - 2</gadget>
<output>5</output>

<gadget id="calculator">9 * 5</gadget>
<output>45</output>

<result>45</result>