The passenger and the truck depart from places A and B at the same time and head toward each other. If both vehicles are traveling at the original speed, they will meet each other in 4 hours. Now both vehicles travel 15 kilometers per hour less than the original plan, and the result is 5 Meet in hours. How many kilometers are there between A and B?
客、货车两车分别从甲、乙两地同时出发相向而行，如果两车都按原定速度行驶，那么4小时相遇；现在两车都比原计划每小时少走15千米，结果5小时相遇．甲乙两地相距多少千米？
<gadget id="calculator">15 * 2 * 5</gadget>
<output>150</output>

<gadget id="calculator">5 - 4</gadget>
<output>1</output>

<gadget id="calculator">150 / 1</gadget>
<output>150</output>

<gadget id="calculator">150 * 4</gadget>
<output>600</output>

<result>600</result>