The distance between A and B is 300 kilometers. At 7:00 in the morning, Master Li drove from A to B at a speed of 60 kilometers per hour. After leaving for 1 hour, he returned to pick up the documents. He got the documents from A and returned to B. , Ask at 12:00 noon, how many kilometers away is Master Li from B?
甲乙两地相距300千米，上午7时，李师傅开车以每小时60千米的速度从甲地开往乙地，出发1小时后又返回拿文件，从甲地拿到文件再返回乙地，问中午12点时，李师傅距乙地还有多少千米？
<gadget id="calculator">60 * 3</gadget>
<output>180</output>

<gadget id="calculator">300 - 180</gadget>
<output>120</output>

<result>120</result>