Two cars, A and B, drive from opposite places at the same time. After 3 hours, the two cars meet. Car A travels 56 kilometers per hour, and the speed of car B is 1.4 times that of car A. How many kilometers are the distance between the two places?
甲乙两辆车同时从两地相对开出，经过3小时后，两车相遇，甲车每小时行驶56千米，乙车的速度是甲车的1.4倍．两地相距多少千米？
<gadget id="calculator">56 * 1.4</gadget>
<output>78.4</output>

<gadget id="calculator">56 + 78.4</gadget>
<output>134.4</output>

<gadget id="calculator">134.4 * 3</gadget>
<output>403.2</output>

<result>403.2</result>