A passenger car travels from point A to point B for 4 hours at a speed of 75 km/h, and from point B to point C for 6 hours at a speed of 58 km/h. How many kilometers did the car travel from point A to point C via point B?
一辆客车从A地到B地行驶了4小时，速度为75千米/时，从B地到C地行驶了6小时，速度为58千米/时．这辆车从A地经B地到C地，共行驶了多少千米？
<gadget id="calculator">75 * 4</gadget>
<output>300</output>

<gadget id="calculator">58 * 6</gadget>
<output>348</output>

<gadget id="calculator">300 + 348</gadget>
<output>648</output>

<result>648</result>