On a straight highway, a car in front is traveling at 90 km/h, and a car behind is traveling at 108 km/h. The car behind suddenly lost control and rushed forward (vehicle speed remained unchanged). Five seconds after it blew its horn, it crashed into the car in front. How far was the distance between the two cars when the car honked?
在一条笔直的高速公路上，前面一辆汽车以每小时90千米的速度行驶，后面一辆汽车以每小时108千米的速度行驶．后面的汽车突然失控，向前冲去(车速不变)．在它鸣笛示警后5秒钟撞上了前面的汽车．在这辆车鸣笛时两车相距多少米？
<gadget id="calculator">30 - 25</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>