A car travels 30 kilometers per hour from place A to place B, and travels 36 kilometers per hour from place B back to place A. The round trip takes 4.4 hours. How many hours does it take to travel from A to B?
一辆汽车从甲地开往乙地每小时行驶30千米，从乙地返回甲地每小时行驶36千米，往返一次共用4.4小时．它从甲地开往乙地需几小时？
<gadget id="calculator">6 + 5</gadget>
<output>11</output>

<gadget id="calculator">6 / 11</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">4.4 * (6/11)</gadget>
<output>2.4</output>

<result>2.4</result>