Uncle Chen’s home is 8,000 meters away from his workplace. He rides a bicycle at a speed of 250 m/min. If he rides a bicycle for 16 minutes and then takes a bus for 8 minutes to get to his workplace, what is the speed of the bus?
陈叔叔家距离工作单位8000米，他骑自行车的速度是250米/分，如果他先骑16分钟自行车后乘坐8分钟公交车就能到单位，公交车的速度是多少？
<gadget id="calculator">250 * 16</gadget>
<output>4_000</output>

<gadget id="calculator">8_000 - 4_000</gadget>
<output>4_000</output>

<gadget id="calculator">4_000 / 8</gadget>
<output>500</output>

<result>500</result>