15% of Uncle Liu's land is planted with corn, and a hectare of corn is planted, so how many hectares does this land have?
刘伯伯家的土地15%种玉米，种玉米a公顷，则这块地有多少公顷．
<gadget id="calculator">20 / 3</gadget>
<output>20/3 = around 6.666667</output>

<result>20/3 = around 6.666667</result>