If our classroom is calculated as 50 square meters, then 1 hectare of land is equivalent to how many such classrooms there are.
如果将我们的教室按50平方米计算，那么1公顷的土地相当于有多少个这样的教室．
<gadget id="calculator">10_000 / 50</gadget>
<output>200</output>

<gadget id="calculator">1 * 200</gadget>
<output>200</output>

<result>200</result>