The train from A to B travels an average of 60 kilometers per hour, and it takes 12 hours to get there. After the speed of the train was increased, it arrived 2 hours earlier than before. How many kilometers per hour does the train travel now?
从甲地开往乙地的火车原来平均每小时约行60千米，要行12小时才能到达．火车提速后，比原来提前2小时到达．现在火车每小时约行多少千米？
<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<gadget id="calculator">12 / 10</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">60 * (6/5)</gadget>
<output>72</output>

<result>72</result>