The time ratio between a fast train and a slow train from A to B is 3:5. Now the fast train and the slow train are traveling towards each other from the two places at the same time, and they meet at 2 o'clock. It is known that the slow train travels 60 kilometers per hour, how many kilometers are there between A and B?
一辆快车和一辆慢车从甲地到乙地所用的时间比是3：5，现在快车和慢车分别同时从两地相向而行，经过2时相遇．已知慢车每小时行60千米，甲乙两地相距多少千米？
<gadget id="calculator">60 / 3</gadget>
<output>20</output>

<gadget id="calculator">20 * 5</gadget>
<output>100</output>

<gadget id="calculator">100 + 60</gadget>
<output>160</output>

<gadget id="calculator">160 * 2</gadget>
<output>320</output>

<result>320</result>