During the National Day holiday, Xiao Ding went on a trip with his father and mother. He took the train at 7:30 in the morning and arrived at 20:30 on the same day. If the train travels 85 kilometers per hour, how many kilometers does Xiao Ding travel by train?
国庆长假，小丁和爸爸、妈妈去旅游，上午7：30坐火车，当天20：30到达．如果火车每时行驶85千米，小丁坐火车行了多少千米．
<gadget id="calculator">20.5 - 7.5</gadget>
<output>13</output>

<gadget id="calculator">85 * 13</gadget>
<output>1_105</output>

<result>1_105</result>