Xiao Ming travels from A to B, travels 36 kilometers per hour, and arrives in (3/4) hours. When returning, the speed increases (1/9), how many hours will it take to return to A?
小明从甲地到乙地去，每小时行36千米，(3/4)小时到达，返回时，速度提高了(1/9)，需要几小时才能回到甲地？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 + (1/9)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">36 * (10/9)</gadget>
<output>40</output>

<gadget id="calculator">(3/4) / 40</gadget>
<output>3/160 = around 0.01875</output>

<gadget id="calculator">36 * (3/160)</gadget>
<output>27/40 = around 0.675</output>

<result>27/40 = around 0.675</result>