car drives for 2.8 hours in the morning and 3.5 hours in the afternoon, at 56 kilometers per hour. How many kilometers does the car drive in one day?
一辆汽车上午行驶了2.8小时，下午行驶了3.5小时，每小时行驶56千米，这辆汽车一天共行驶多少千米？
<gadget id="calculator">2.8 + 3.5</gadget>
<output>6.3</output>

<gadget id="calculator">56 * 6.3</gadget>
<output>352.8</output>

<result>352.8</result>