Xiao Li and Xiao Hua climbed the stairs in a competition. When Xiao Li ran to the 5th floor, Xiao Hua happened to run to the 3rd floor. According to this calculation, when Xiao Li ran to the 25th floor, how many floors did Xiao Hua go to?
小李、小华比赛爬楼梯，小李跑到第5层时，小华正好跑到第3层．照这样计算，小李跑到第25层时，小华跑到第多少层．
<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

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

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">24 * (1/2)</gadget>
<output>12</output>

<gadget id="calculator">12 + 1</gadget>
<output>13</output>

<result>13</result>