An orchard covers an area of about 5 hectares, and how many orchards cover an area of about 1 square kilometer.
某果园的占地面积约5公顷，多少个果园的占地面积约是1平方千米．
<gadget id="calculator">100 / 5</gadget>
<output>20</output>

<gadget id="calculator">1 * 20</gadget>
<output>20</output>

<result>20</result>