Two cars start from two places at the same time and drive toward each other. After 15 minutes, the distance between the two cars is still 15 kilometers. It is known that car A travels 42 kilometers per hour, and the distance traveled by car B per hour is 1.5 times that of car A. How many kilometers are the distance between the two places?
两辆汽车同时从两地出发，相向而行，15分钟后两车还相距15千米．已知甲车每小时行42千米，乙车每小时行的路程是甲车的1.5倍，两地相距多少千米？
<gadget id="calculator">42 * 1.5</gadget>
<output>63</output>

<gadget id="calculator">63 + 42</gadget>
<output>105</output>

<gadget id="calculator">105 * 0.25</gadget>
<output>26.25</output>

<gadget id="calculator">26.25 + 15</gadget>
<output>41.25</output>

<result>41.25</result>