A car delivers goods from place A to place B, traveling 45 kilometers per hour, and delivers in (4/3) hours. When returning, the speed is (6/5) times of the original, how many hours to return?
一辆汽车从甲地到乙地送货，每小时行45千米，(4/3)小时送到．返回时速度是原来的(6/5)倍，几小时返回？
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">45 * (6/5)</gadget>
<output>54</output>

<gadget id="calculator">(4/3) / 54</gadget>
<output>2/81 = around 0.024691</output>

<gadget id="calculator">45 * (2/81)</gadget>
<output>10/9 = around 1.111111</output>

<result>10/9 = around 1.111111</result>