A parking lot is 100 meters long and half its width, what is the area of the parking lot?
一个停车场长是100米，宽是长的一半，这个停车场的面积是多少？
<gadget id="calculator">100 / 2</gadget>
<output>50</output>

<gadget id="calculator">100 * 50</gadget>
<output>5_000</output>

<result>5_000</result>