Xiaoming's family has a vegetable field with a length of 60m and a width of 40m. How many hectares does it cover?
小明家有一块菜地长为60m、宽为40m、它的面积有多少公顷？
<gadget id="calculator">60 * 40</gadget>
<output>2_400</output>

<gadget id="calculator">2_400 / 10_000</gadget>
<output>6/25 = around 0.24</output>

<result>6/25 = around 0.24</result>