There are 3 kinds of newspapers: "Chinese Newspaper", "Mathematics Newspaper", and "Primary School Student Learning Newspaper" for Xiaofang to subscribe to. Xiaofang can subscribe to at most 3 newspapers and at least 1 newspaper. How many different subscription plans are there in total?
有3种报纸：《语文报》、《数学报》、《小学生学习报》供小芳订阅，小芳最多可订3种，最少订阅1种，一共有多少种不同的订阅方案．
<gadget id="calculator">3 + 3 + 1</gadget>
<output>7</output>

<result>7</result>