The runway of the school playground is 1 lap of 200 meters, and the number of laps is 1 kilometer.
学校操场跑道1圈200米，跑多少圈为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>