Xiaoqiang lives on the 6th floor, and now Xiaoqiang has climbed to the 3rd floor, what fraction of the total height has he climbed?
小强家住6楼，现在小强已经爬到3楼，他已经爬了总高度的几分之几？
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

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

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>