A tractor can plow 198 hectares of land in 3 hours. How many hours will it take to plow 330 hectares in this way? (Solve with ratio)
一台拖拉机3小时耕地198公顷，照这样，耕330公顷，用多少小时耕完？(用比例解)
<gadget id="calculator">198 / 3</gadget>
<output>66</output>

<gadget id="calculator">330 / 66</gadget>
<output>5</output>

<result>5</result>