A train departs from Suining at 1:30 pm and arrives in Chongqing at 4:30 pm that day. This train travels an average of 130 kilometers per hour. How long is the railway from Suining to Chongqing?
一列火车下午1：30从遂宁开出，当天下午4：30到达重庆，这列火车平均每小时行130千米，遂宁到重庆的铁路长多少千米？
<gadget id="calculator">4.5 - 1.5</gadget>
<output>3</output>

<gadget id="calculator">130 * 3</gadget>
<output>390</output>

<result>390</result>