A hare runs 40 kilometers per hour, and a swift flies four times faster than a hare runs. About how many kilometers per hour does this swift fly?
野兔每小时跑40千米，一只雨燕的飞行速度是一只野兔奔跑速度的4倍．这只雨燕每小时大约飞行多少千米？
<gadget id="calculator">40 * 4</gadget>
<output>160</output>

<result>160</result>