From A to B, there is only uphill and downhill. Xiao Ming’s uphill speed is 4 kilometers per hour, and the downhill speed is 6 kilometers per hour. Xiao Ming goes from A to B, and then from B along the original It takes 10 hours to return all the way, how many kilometers is the distance from A to B?
从甲地到乙地除了上坡就是下坡，小明上坡的速度是每小时4千米，下坡的速度是每小时6千米，小明从甲地到乙地，然后从乙地沿原路返回，共用10小时，甲地到乙地相距多少千米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/4) + (1/6)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(1/4) / (5/12)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">10 * (3/5)</gadget>
<output>6</output>

<gadget id="calculator">10 - 6</gadget>
<output>4</output>

<gadget id="calculator">10 * (3/5) * 4</gadget>
<output>24</output>

<result>24</result>