5 tractors plow 4 hectares of land, how much of the land each tractor plows on average
5台拖拉机耕4公顷地，平均每台拖拉机耕这个地的多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>