A lap on our school's playground is 200 meters, and 5 laps is how many kilometers.
我们学校的运动场跑一圈是200米，跑5圈就是多少千米．
<gadget id="calculator">5 / 1_000</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">200 * (1/200)</gadget>
<output>1</output>

<result>1</result>