It took Wang Jie 30 seconds to run from the third floor to the fifth floor. According to this calculation, how many floors can he run from the first floor to in one minute.
王杰从三楼跑到五楼用了30秒钟，照这样计算，他一分钟能从一楼跑到多少楼．
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<gadget id="calculator">60 / 15</gadget>
<output>4</output>

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

<result>5</result>