Sound waves can travel 340 meters per second in the air. An aircraft transmits sound waves to the ground to the ground receiving station. It takes 12 seconds for the sound waves to be received from the emission. Find the distance between the aircraft and the receiving station.
声波在空气中每秒可传播340米，一架飞机向地面发射声波给地面接收站，声波从发射到接收，共经过12秒，求飞机距接收站的距离．
<gadget id="calculator">340 * 12</gadget>
<output>4_080</output>

<result>4_080</result>