A tractor (3/5) hours to plow (2/3) hectares, how many hours does it take this tractor to plow 1 hectare.
一台拖拉机(3/5)小时耕地(2/3)公顷，这台拖拉机耕地1公顷需要多少小时．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">(3/5) / (2/3)</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>