Xiaoli went to her grandma's house by car during the winter vacation. She departed at 10:30 am and arrived at 3:30 pm. The car traveled 68 kilometers per hour. How many kilometers is the distance between Xiaoli's house and grandma's house?
小丽寒假乘汽车去姥姥家，上午10时30分出发，下午3时30分到达，汽车每小时行驶68千米．小丽家和姥姥家相距多少千米？
<gadget id="calculator">68 * 5</gadget>
<output>340</output>

<result>340</result>