A farm uses tractors to plow land, and 3 tractors plow 1.2 hectares in 2 hours. How many hectares of land can be cultivated by one tractor in one hour?
一个农场用拖拉机耕地，3台拖拉机2小时耕地1.2公顷．1台拖拉机1小时耕地多少公顷？
<gadget id="calculator">1.2 / 3 / 2</gadget>
<output>0.2</output>

<result>0.2</result>