The school's circular runway is 200 meters long, and how many laps you run is 1 kilometer.
学校环形跑道长200米，跑多少圈是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>