A rectangular campus is 250 meters long and 120 meters wide. How many hectares does the school occupy?
一个长方形的校园，长是250米，宽是120米，这个学校占地多少公顷？
<gadget id="calculator">1 * 10_000</gadget>
<output>10_000</output>

<gadget id="calculator">120 / 10_000</gadget>
<output>3/250 = around 0.012</output>

<gadget id="calculator">250 * (3/250)</gadget>
<output>3</output>

<result>3</result>