A car has been traveling from A to B for 12 hours, and it will take another 3 hours to get there. If the car travels an average of 102 kilometers per hour, how many kilometers are there between A and B?
一汽车从甲地到乙地，已行驶12小时，还要行驶3小时才能到达．如果这辆汽车平均每小时行驶102千米，甲、乙两地相距多少千米？
<gadget id="calculator">12 + 3</gadget>
<output>15</output>

<gadget id="calculator">15 * 102</gadget>
<output>1_530</output>

<result>1_530</result>