The propagation speed of sound in the air is 0.34 km/s. Xiao Ming stood in front of a mountain and shouted "I am the best". After 6 seconds, he heard the echo "I am the best", Xiao Ming What is the distance in kilometers from the station's location to the mountain?
声音在空气中的传播速度是0.34千米/秒，小明站在一座山前，他大声呐喊"我是最棒的"，过6秒之后，他听到回音"我是最棒的"，小明站的位置与这座山的距离是多少千米？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">0.34 * 3</gadget>
<output>1.02</output>

<result>1.02</result>