It takes a van to drive from A to B for 8 hours, and it takes 6 hours to return from B to A. When it returns, it travels 14 kilometers more per hour than when it went there. Ask this van on average What is the speed?
一辆面包车从甲地开往乙地用了8小时，由乙地返回甲地用了6小时，返回时每小时比去时多行了14千米，问这辆面包车往返甲乙两地的平均速度是多少？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/6) - (1/8)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">14 / (1/24)</gadget>
<output>336</output>

<gadget id="calculator">336 * 2</gadget>
<output>672</output>

<gadget id="calculator">6 + 8</gadget>
<output>14</output>

<gadget id="calculator">672 / 14</gadget>
<output>48</output>

<result>48</result>