If a road roller presses (3/4) kilometers of road in (2/3) hours, how many hours will it take to press 1 kilometer of road in this way?
一辆压路机(2/3)小时压好(3/4)千米路面，照这样，压好1千米路面要多少小时．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/3) / (3/4)</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>