A piece of land is plowed by a tractor, and (5/6) hectares are plowed in 30 minutes, which is equivalent to (7/12) of the total area of the land. How many hectares does this land have?
一块地用拖拉机来耕，30分钟耕了(5/6)公顷，相当于这块地总面积的(7/12)，这块地有多少公顷？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(5/6) / (7/12)</gadget>
<output>10/7 = around 1.428571</output>

<result>10/7 = around 1.428571</result>