The distance between A and B is 1578 kilometers. A car drives from A to B at 60 kilometers per hour. After driving for 12 hours, how many kilometers is there to B?
甲乙两地相距1578千米，一辆汽车从甲地开往乙地，每小时行60千米，行了12小时，距乙地还有多少千米？
<gadget id="calculator">60 * 12</gadget>
<output>720</output>

<gadget id="calculator">1_578 - 720</gadget>
<output>858</output>

<result>858</result>