Dad drove from Guiyang to Guangzhou, driving 60 kilometers per hour, and arrived in Guangzhou in 4 hours. How many kilometers is it from Guiyang to Guangzhou?
爸爸贵阳开车去广州，每小时行驶60千米，4小时到达广州，贵阳到广州有多少千米？
<gadget id="calculator">60 * 4</gadget>
<output>240</output>

<result>240</result>