The length of a lap on a sports field is 200 meters, and the number of laps you run is exactly 1 kilometer.
运动场跑道一圈长200米，跑多少圈正好是1千米．
<gadget id="calculator">1_000 / 200</gadget>
<output>5</output>

<gadget id="calculator">1 * 5</gadget>
<output>5</output>

<result>5</result>