A's speed is 6 kilometers per hour faster than B's speed. When A reaches the end point, B still needs 10 minutes. When B reaches the end point, A has traveled 9 kilometers. Find the distance.
甲的速度比乙的速度每小时快6千米，当甲到终点时乙还要10分钟，当乙到终点时，甲已行了9千米，求路程．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">9 / (1/6)</gadget>
<output>54</output>

<gadget id="calculator">54 - 6</gadget>
<output>48</output>

<gadget id="calculator">(1/6) / 6</gadget>
<output>1/36 = around 0.027778</output>

<gadget id="calculator">54 * 48 * (1/36)</gadget>
<output>72</output>

<result>72</result>