Daming rides a bicycle at a speed of 800 meters per minute, how many kilometers can he travel in 5 minutes?
大明骑自行车的速度是每分钟800米，他5分钟能行多少千米．
<gadget id="calculator">5 / 1_000</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">800 * (1/200)</gadget>
<output>4</output>

<result>4</result>