A passenger car drives from place A to place B at 8 am. If it travels 48 kilometers per hour, it can reach place B at 13:00 noon. If the speed is increased (2/3), then at what time in the morning can it reach place B.
一辆客车上午8时从甲地开往乙地，如果每小时行48千米，中午13时可到达乙地，如果将速度增加(2/3)，那么上午多少时可到达乙地．
<gadget id="calculator">13 - 8</gadget>
<output>5</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">48 * (5/3)</gadget>
<output>80</output>

<gadget id="calculator">5 / 80</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">48 * (1/16)</gadget>
<output>3</output>

<gadget id="calculator">8 + 3</gadget>
<output>11</output>

<result>11</result>