On New Year's Day, mother and Xiaogang set off from home and drove to Shanghai to visit grandma. It is planned to drive 120 kilometers per hour, which can be reached in 2 hours. I actually drove half an hour longer than planned, how many kilometers per hour did I actually drive?
元旦，妈妈和小刚从家出发，开车去上海看望外婆．计划每小时行驶120千米，2小时可达到．实际比计划多开了半小时，实际每小时行驶多少千米？
<gadget id="calculator">2 + 0.5</gadget>
<output>2.5</output>

<gadget id="calculator">2 / 2.5</gadget>
<output>0.8</output>

<gadget id="calculator">120 * 0.8</gadget>
<output>96</output>

<result>96</result>