There are three kinds of toy cars with different unit prices. Aunt Wang in the kindergarten wants to buy 30. She brought 3000 yuan, so she can only tell what the unit price is.
有三种单价不同的玩具汽车，幼儿园的王阿姨要买30个，她带了3000元，只能单价是多少元元的．
<result>98</result>