It takes (2/3) hours for a road roller to roll (3/4) kilometers, how many kilometers can this road roller roll per hour.
一台压路机压路(3/4)千米要(2/3)小时，这台压路机每小时可以压路多少千米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/4) / (2/3)</gadget>
<output>9/8 = around 1.125</output>

<result>9/8 = around 1.125</result>