A truck transports 3,000 thermos bottles to the store, and the shipping fee is 1.8 yuan each. If one is damaged, the shipping fee for the thermos bottle will not be paid and 15 yuan will be compensated. After the goods were delivered, the driver had to pay a total of 5,316 yuan in freight. So, how many thermos bottles were damaged on the road?
一辆货车运送3000个热水瓶到商店，每个运费1.8元，如果损坏一个，就不给这个热水瓶的运费且还有赔偿15元．这批货送到后，司机共得运费5316元，那么，路上损坏了几个热水瓶？
<gadget id="calculator">84 / 16.8</gadget>
<output>5</output>

<result>5</result>