A and B compete to climb the stairs. They start from the bottom of the 36-story building. When A reaches the 6th floor, B has just reached the 5th floor. According to this speed, when A reaches the top floor, how many floors can B reach.
甲与乙比赛登楼梯，他俩从36层的大厦底层出发，当甲到6楼时，乙刚到达5楼，按此速度，当甲到达顶层时，乙可以到达多少层．
<gadget id="calculator">36 - 1</gadget>
<output>35</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / (5/4)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">35 * (4/5)</gadget>
<output>28</output>

<gadget id="calculator">28 + 1</gadget>
<output>29</output>

<result>29</result>