If one lap of the school playground runway is 200 meters, how many laps you run is exactly 1 kilometer.
如果学校操场跑道1圈是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>