From A to B, travel (2/3) kilometers per minute, and travel exactly to the midpoint in 6 minutes. How many kilometers is the distance between A and B?
从甲地去乙地，每分钟行(2/3)千米，6分钟时恰好行到中点，甲乙两地的距离多少千米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * 6</gadget>
<output>4</output>

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

<gadget id="calculator">4 / (1/2)</gadget>
<output>8</output>

<result>8</result>