Cars A and B start from two places at the same time and drive toward each other. Car A travels 80 kilometers per hour, and car B travels 70 kilometers per hour. After 10 hours, the two cars meet. How many kilometers are there between the two places?
甲、乙两车同时从两地出发相向而行．甲车每小时行80千米，乙车每小时行70千米，10小时后两车相遇，两地相距多少千米？
<gadget id="calculator">80 + 70</gadget>
<output>150</output>

<gadget id="calculator">150 * 10</gadget>
<output>1_500</output>

<result>1_500</result>