Sound travels about 1440 meters per second in water, which is 260 meters less than five times the speed in air. How many meters does sound travel in air per second?
声音在水中大约每秒传播1440米，比在空气中传播速度的5倍少260米，声音在空气中每秒大约传播多少米？
<gadget id="calculator">1_440 + 260</gadget>
<output>1_700</output>

<gadget id="calculator">1_700 / 5</gadget>
<output>340</output>

<result>340</result>