The distance between A and B is 1900 kilometers. Two trains depart from the two places at the same time. The train from city A travels 73.5 kilometers per hour, and the train from city B travels 75.5 kilometers per hour. 12 After one hour, how many kilometers are the distance between the two cars?
A、B两地相距1900千米，两列火车同时从两地相对开出，从A城开出的火车每小时行73.5千米，从B城开出的火车每小时行75.5千米，12小时后，两车相距多少千米？
<gadget id="calculator">73.5 + 75.5</gadget>
<output>149</output>

<gadget id="calculator">149 * 12</gadget>
<output>1_788</output>

<gadget id="calculator">1_900 - 1_788</gadget>
<output>112</output>

<result>112</result>