The prices of the three kinds of flowers are 8 yuan, 6 yuan and 3 yuan respectively, and the prices of the three kinds of vases are 9 yuan, 7 yuan and 5 yuan respectively. If one kind of flower arrangement requires only one kind of flower in one vase, these flowers and vases can be made into How many kinds of flower arrangements with different prices?
三种花的价钱分别是8元、6元、3元，三种花瓶的价钱分别是9元、7元、5元，如果一种插花要求只一个花瓶插一种花，这些花和花瓶可以配成多少种不同价钱的插花？
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">9 - 2</gadget>
<output>7</output>

<result>7</result>