A car travels from A to B through a flat road and a slope. It takes 4 hours to travel 80 kilometers per hour on a flat road, and 3 hours to travel 65 kilometers per hour on a slope. How many miles is the total distance from A to B?
一辆汽车从甲地到乙地要经过一段平路和一段坡路．平路每小时行80千米，要用4小时行完；坡路每小时行65千米，要用3小时行完．甲地到乙地一共有多少千米的路？
<gadget id="calculator">80 * 4</gadget>
<output>320</output>

<gadget id="calculator">65 * 3</gadget>
<output>195</output>

<gadget id="calculator">320 + 195</gadget>
<output>515</output>

<result>515</result>