A car departs from Xi'an at 10:30 in the morning and arrives in Chengdu at 3:30 in the afternoon. If the car travels an average of 110 kilometers per hour, how many kilometers is it from Chengdu to Xi'an?
一辆汽车上午10：30从西安出发，下午3：30到达成都，如果这辆汽车平均每小时行驶110千米，那么成都到西安大约有多少千米？
<gadget id="calculator">110 * 5</gadget>
<output>550</output>

<result>550</result>