It is known that thunder travels 0.34 kilometers per second in the air. Xiao Ning heard the thunder 6 seconds after seeing the lightning, how far is Xiao Ning from the lightning?
已知雷声在空气中每秒传播0.34千米．小宁看到闪电6秒后才听到雷声，小宁离闪电处有多远？
<gadget id="calculator">6 * 0.34</gadget>
<output>2.04</output>

<result>2.04</result>