A car travels 320 km in 5 hours. At this speed, and driving for another 2.5 hours, how many kilometers has the car traveled in total?
一辆汽车5小时行驶了320千米．照这样的速度，又行驶了2.5小时，这辆汽车共行驶了多少千米？
<gadget id="calculator">320 / 5</gadget>
<output>64</output>

<gadget id="calculator">5 + 2.5</gadget>
<output>7.5</output>

<gadget id="calculator">64 * 7.5</gadget>
<output>480</output>

<result>480</result>