train travels an average of 110 kilometers per hour and has been running for 18 hours. How long has the train traveled since its departure?
一列火车平均每小时行驶110千米，已经行驶了18小时，这列火车从出发到现在行驶了多长？
<gadget id="calculator">110 * 18</gadget>
<output>1_980</output>

<result>1_980</result>